lug2lug
BrowseCompareNewsCommunityMy Watches
BrowseCompareNewsCommunityMy Watches
Theme
Popular microbrands:Christopher Ward·Baltic·anOrdain·Atelier Wen·Boldr·Bremont·Dan Henry·DOXABrowse all →
Best, by the specs:Diver under $2,000·Dress under $5,000·Chronograph under $5,000·Best sport watches·GMT under $5,000·Field under $500·Pilot under $2,000·Casual under $1,000All rankings →
Glossary:Lug-to-Lug·Water Resistance·Chronograph·GMT·Automatic·LumeBrowse all →
Tools:Collection tracker·Watch size chart·Wrist-fit calculator·Selling calculator·What should I buy?·Market index·iPhone app
Lug2Letter
Watches worth knowing about, weekly.
Curated discoveries, founder spotlights, and the occasional deep-dive.
Get the app
Download on theApp StoreGET IT ONGoogle Play
TermsPrivacyDelete accountCopyrightDisclosuresContactContribute

Independent reference site · not affiliated with any brand · contains affiliate links

© 2026 Lug2Lug LLC · Prices are estimates and not offers

Watches/Alternatives/Sinn 104 St Sa I B

Watch alternatives

Alternatives to the Sinn 104 St Sa I B

Keep what you like. Explore what could be different. Compare 48 catalog matches by dimensions, movement and price.

Explore the matches ↓View original watch ↗
Case diameter
41 mm
Lug-to-lug
Not recorded
Movement
Automatic
Catalog MSRP
$1,713
Sinn 104 St Sa I BThe starting point
Your next watch starts with a shortlist.

Save favorites here, compare the details, and keep your collection with you in the app.

Explore the app ↗My watches ↗

Starting points

Choose the differences that matter to you.

Closest catalog matchMarathon Arctic OSAR 41mm AutomaticSame 41 mm case diameterSee the match ↓
Lower recorded MSRPLuminox Automatic Sport Timer, 42mm, Limited Edition Bronze$1,695 recorded MSRP, $18 lowerSee the match ↓

Calculated from catalog specifications and similarity signals. Prices are recorded MSRP in USD. Missing measurements stay unknown.

Your priorities

Narrow these matches without leaving the page.

48 matches

Microbrand picks· 12

Discover smaller makers with catalog similarities to this watch.

Luminox Automatic Sport Timer 42mm
Luminox

Automatic Sport Timer 42mm

  • 42 mm case, 1 mm wider
  • Same Sellita SW220-1 caliber
What changes

1.1 mm thicker case. $1,825 recorded MSRP, $112 higher

View watch ↗
Compare models ↗
Luminox Automatic Sport Timer, 42mm, Limited Edition Bronze
Luminox

Automatic Sport Timer, 42mm, Limited Edition Bronze

  • $1,695 recorded MSRP, $18 lower
  • 42 mm case, 1 mm wider
  • Same Sellita SW220-1 caliber
What changes

1.1 mm thicker case

View watch ↗
Compare models ↗
William Wood Fire Exit Watch
William Wood

Fire Exit Watch

  • $1,495 recorded MSRP, $218 lower
  • Same 41 mm case diameter
  • Same Sellita SW220-1 caliber
What changes

1.6 mm thicker case

View watch ↗
Compare models ↗
Damasko DSub10 black
Damasko

DSub10 black

  • 42 mm case, 1 mm wider
  • Both use automatic movements
What changes

Lug-to-lug is not recorded for this match.

View watch ↗
Compare models ↗
Farer AQUAMATIC
Farer

AQUAMATIC

  • $875 recorded MSRP, $838 lower
  • 38.5 mm case, 2.5 mm narrower
  • Same Sellita SW220-1 caliber
What changes

Dimensions alone do not establish wrist fit.

View watch ↗
Compare models ↗
Laco ProLab
Laco

ProLab

  • 40 mm case, 1 mm narrower
  • Both use automatic movements
What changes

0.6 mm thinner case. $2,990 recorded MSRP, $1,277 higher

View watch ↗
Compare models ↗
CWC 1980 RN Divers Automatic Re-Issue Watch
CWC

1980 RN Divers Automatic Re-Issue Watch

  • Same 41 mm case diameter
  • Both use automatic movements
What changes

0.8 mm thicker case. $2,458 recorded MSRP, $745 higher

View watch ↗
Compare models ↗
CWC RN81 Clearance Diver Automatic Watch
CWC

RN81 Clearance Diver Automatic Watch

  • Same 41 mm case diameter
  • Both use automatic movements
What changes

0.8 mm thicker case. $1,875 recorded MSRP, $162 higher

View watch ↗
Compare models ↗
Damasko DK44
Damasko

DK44

  • 40 mm case, 1 mm narrower
  • Both use automatic movements
What changes

Lug-to-lug is not recorded for this match.

View watch ↗
Damasko DC66
Damasko

DC66

  • 42 mm case, 1 mm wider
  • Both use automatic movements
What changes

Lug-to-lug is not recorded for this match.

View watch ↗
Laco FRANKFURT 40 GMT GRAU
Laco

FRANKFURT 40 GMT GRAU

  • 40 mm case, 1 mm narrower
  • Both use automatic movements
What changes

$2,220 recorded MSRP, $507 higher

View watch ↗
Compare models ↗
Laco FRANKFURT 40 GMT SCHWARZ
Laco

FRANKFURT 40 GMT SCHWARZ

  • 40 mm case, 1 mm narrower
  • Both use automatic movements
What changes

$2,220 recorded MSRP, $507 higher

View watch ↗
Compare models ↗

Mainstream picks· 12

Established-brand matches. Compare the recorded dimensions, movement and price for each watch.

Marathon Arctic OSAR 41mm Automatic
Marathon

Arctic OSAR 41mm Automatic

  • Same 41 mm case diameter
  • Same Sellita SW220-1 caliber
What changes

1.1 mm thicker case. $1,800 recorded MSRP, $87 higher

View watch ↗
Compare models ↗
Marathon OSAR-D (Original SAR with Date) Automatic 41mm
Marathon

OSAR-D (Original SAR with Date) Automatic 41mm

  • Same 41 mm case diameter
  • Same Sellita SW220-1 caliber
What changes

1.1 mm thicker case. $1,800 recorded MSRP, $87 higher

View watch ↗
Compare models ↗
Sinn 105 St Sa
Sinn

105 St Sa

  • Same 41 mm case diameter
  • Same Sellita SW220-1 caliber
What changes

$1,789 recorded MSRP, $76 higher

View watch ↗
Compare models ↗
Marathon GSAR (Government Search & Rescue) Diver's Automatic
Marathon

GSAR (Government Search & Rescue) Diver's Automatic

  • Same 41 mm case diameter
  • Both use automatic movements
What changes

2.1 mm thicker case. $2,500 recorded MSRP, $787 higher

View watch ↗
Compare models ↗
Fortis Flieger F-41
Fortis

Flieger F-41

  • Same 41 mm case diameter
  • Both use automatic movements
What changes

0.4 mm thinner case. $2,530 recorded MSRP, $817 higher

View watch ↗
Yema Flygraf Navigator
Yema

Flygraf Navigator

  • $1,199 recorded MSRP, $514 lower
  • 40 mm case, 1 mm narrower
  • Both use automatic movements
What changes

2 mm thicker case

View watch ↗
Sinn 103 St Ty Hd
Sinn

103 St Ty Hd

  • Same 41 mm case diameter
  • Both use automatic movements
What changes

2.8 mm thicker case. $2,797 recorded MSRP, $1,084 higher

View watch ↗
Compare models ↗
Longines HYDROCONQUEST GMT
Longines

HYDROCONQUEST GMT

  • Same 41 mm case diameter
  • Both use automatic movements
What changes

1 mm thicker case. $3,350 recorded MSRP, $1,637 higher

View watch ↗
Compare models ↗
Longines HYDROCONQUEST MESH
Longines

HYDROCONQUEST MESH

  • Same 41 mm case diameter
  • Both use automatic movements
What changes

$2,350 recorded MSRP, $637 higher

View watch ↗
Compare models ↗
Seiko Prospex Sea
Seiko

Prospex Sea

  • $900 recorded MSRP, $813 lower
  • Same 41 mm case diameter
  • Both use automatic movements
What changes

0.4 mm thicker case

View watch ↗
Compare models ↗
Seiko Prospex Sea
Seiko

Prospex Sea

  • $1,100 recorded MSRP, $613 lower
  • 41.3 mm case, 0.3 mm wider
  • Both use automatic movements
What changes

0.6 mm thicker case

View watch ↗
Compare models ↗
Seiko Prospex Sea 1968 Heritage Diver's GMT
Seiko

Prospex Sea 1968 Heritage Diver's GMT

  • $1,500 recorded MSRP, $213 lower
  • 42 mm case, 1 mm wider
  • Both use automatic movements
What changes

1 mm thicker case

View watch ↗
Compare models ↗

Cheaper alternatives· 12

Matches in a lower price band. A recorded MSRP difference is shown only when both prices are known.

Glycine Men's Airman Double Twelve 42mm Automatic Watch GL0062
Glycine

Men's Airman Double Twelve 42mm Automatic Watch GL0062

  • $590 recorded MSRP, $1,123 lower
  • 42 mm case, 1 mm wider
  • Both use automatic movements
What changes

Lug-to-lug is not recorded for this match.

View watch ↗
Compare models ↗
Glycine Men's Combat Quartz 40mm Watch
Glycine

Men's Combat Quartz 40mm Watch

  • $240 recorded MSRP, $1,473 lower
  • 40 mm case, 1 mm narrower
  • Both use automatic movements
What changes

0.8 mm thinner case

View watch ↗
Compare models ↗
Glycine Men's Combat Sub 42mm Automatic Watch GL0091
Glycine

Men's Combat Sub 42mm Automatic Watch GL0091

  • $540 recorded MSRP, $1,173 lower
  • 42 mm case, 1 mm wider
  • Both use automatic movements
What changes

0.9 mm thinner case

View watch ↗
Compare models ↗
Bulova Red Dial Stainless Steel Bracelet Marine Star 98B472
Bulova

Red Dial Stainless Steel Bracelet Marine Star 98B472

  • $550 recorded MSRP, $1,163 lower
  • Same 41 mm case diameter
  • Both use automatic movements
What changes

Lug-to-lug is not recorded for this match.

View watch ↗
Compare models ↗
Orient Diver Design 40
Orient

Diver Design 40

  • $395 recorded MSRP, $1,318 lower
  • 39.9 mm case, 1.1 mm narrower
  • Both use automatic movements
What changes

0.9 mm thicker case

View watch ↗
Compare models ↗
Timex Fender x Timex Automatic 41mm Leather Strap Watch
Timex

Fender x Timex Automatic 41mm Leather Strap Watch

  • $499 recorded MSRP, $1,214 lower
  • Same 41 mm case diameter
  • Both use automatic movements
What changes

Dimensions alone do not establish wrist fit.

View watch ↗
Compare models ↗
Marathon Jeep Willys SSGPM
Marathon

Jeep Willys SSGPM

  • $780 recorded MSRP, $933 lower
  • Same 41 mm case diameter
What changes

Manual movement instead of automatic. 0.9 mm thinner case

View watch ↗
Seiko Prospex Sea
Seiko

Prospex Sea

  • 42 mm case, 1 mm wider
  • Both use automatic movements
What changes

1.4 mm thicker case

View watch ↗
Compare models ↗
Seiko Prospex Sea
Seiko

Prospex Sea

  • $595 recorded MSRP, $1,118 lower
  • 41.7 mm case, 0.7 mm wider
  • Both use automatic movements
What changes

0.4 mm thicker case

View watch ↗
Compare models ↗
Seiko Prospex Sea PADI Special Edition
Seiko

Prospex Sea PADI Special Edition

  • $650 recorded MSRP, $1,063 lower
  • 41.7 mm case, 0.7 mm wider
  • Both use automatic movements
What changes

0.4 mm thicker case

View watch ↗
Compare models ↗
Timex Deepwater Meridian 200 Automatic GMT 42mm Stainless Steel Bracelet Watch
Timex

Deepwater Meridian 200 Automatic GMT 42mm Stainless Steel Bracelet Watch

  • $549 recorded MSRP, $1,164 lower
  • 42 mm case, 1 mm wider
  • Both use automatic movements
What changes

Lug-to-lug is not recorded for this match.

View watch ↗
Compare models ↗
Timex Expedition Field Post Titanium Automatic 41mm Recycled Fabric Strap Watch
Timex

Expedition Field Post Titanium Automatic 41mm Recycled Fabric Strap Watch

  • $419 recorded MSRP, $1,294 lower
  • Same 41 mm case diameter
  • Both use automatic movements
What changes

Lug-to-lug is not recorded for this match.

View watch ↗
Compare models ↗

Pricier alternatives· 12

Matches in a higher price band. Check the specifications to decide whether the differences matter to you.

Fortis Marinemaster M-40
Fortis

Marinemaster M-40

  • 40 mm case, 1 mm narrower
  • Same Sellita SW220-1 caliber
What changes

1.1 mm thicker case. $3,520 recorded MSRP, $1,807 higher

View watch ↗
Compare models ↗
Fortis Marinemaster M-44
Fortis

Marinemaster M-44

  • 44 mm case, 3 mm wider
  • Same Sellita SW220-1 caliber
What changes

2.1 mm thicker case. $5,120 recorded MSRP, $3,407 higher

View watch ↗
Compare models ↗
Fortis Marinemaster M-44 DLC
Fortis

Marinemaster M-44 DLC

  • 44 mm case, 3 mm wider
  • Same Sellita SW220-1 caliber
What changes

2.1 mm thicker case. $5,450 recorded MSRP, $3,737 higher

View watch ↗
Compare models ↗
Bremont Supermarine 300M
Bremont

Supermarine 300M

  • 40 mm case, 1 mm narrower
  • Both use automatic movements
What changes

$3,550 recorded MSRP, $1,837 higher

View watch ↗
Compare models ↗
Bremont S302
Bremont

S302

  • 40 mm case, 1 mm narrower
  • Both use automatic movements
What changes

1.1 mm thicker case. $3,900 recorded MSRP, $2,187 higher

View watch ↗
Compare models ↗
Omega Seamaster Diver 300M Co Axial Master Chronometer 42mm
Omega

Seamaster Diver 300M Co Axial Master Chronometer 42mm

  • 42 mm case, 1 mm wider
  • Both use automatic movements
What changes

1.7 mm thicker case. $9,600 recorded MSRP, $7,887 higher

View watch ↗
Compare models ↗
Omega Seamaster Diver 300M Co Axial Master Chronometer 42mm
Omega

Seamaster Diver 300M Co Axial Master Chronometer 42mm

  • 42 mm case, 1 mm wider
  • Both use automatic movements
What changes

1.7 mm thicker case. $6,300 recorded MSRP, $4,587 higher

View watch ↗
Compare models ↗
Omega Seamaster James Bond Edition Watch 210.30.42.20.03.004
Omega

Seamaster James Bond Edition Watch 210.30.42.20.03.004

  • 42 mm case, 1 mm wider
  • Both use automatic movements
What changes

2.3 mm thicker case. $8,600 recorded MSRP, $6,887 higher

View watch ↗
Compare models ↗
Tudor Prince Date Hydronaut
Tudor

Prince Date Hydronaut

  • 39 mm case, 2 mm narrower
  • Both use automatic movements
What changes

0.6 mm thinner case

View watch ↗
Compare models ↗
Bremont S300
Bremont

S300

  • 40 mm case, 1 mm narrower
  • Both use automatic movements
What changes

$3,795 recorded MSRP, $2,082 higher

View watch ↗
Compare models ↗
Tudor Bay 58
Tudor

Bay 58

  • 39 mm case, 2 mm narrower
  • Both use automatic movements
What changes

0.2 mm thinner case

View watch ↗
Compare models ↗
NOMOS Glashütte Tangente Sport neomatik 42 date marine black
NOMOS Glashütte

Tangente Sport neomatik 42 date marine black

  • 42 mm case, 1 mm wider
  • Both use automatic movements
What changes

1 mm thinner case. $6,030 recorded MSRP, $4,317 higher

View watch ↗
Compare models ↗
Keep your wishlist and collection together on iPhone and AndroidExplore the app
Get the appGet the app

Keep exploring

Follow a detail, a style, or a new direction.

Check your wrist fit ↗

Explore how case diameter and lug-to-lug relate to your wrist.

Find your watch style ↗

Use the quiz to explore watches around your preferences.

Best Diver Watches Under $2,000 ↗

Explore a wider set of watches in this category.