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/Marnaut Safe Harbour 100

Watch alternatives

Alternatives to the Marnaut Safe Harbour 100

Keep what you like. Explore what could be different. Compare 47 catalog matches by dimensions, movement and price.

Explore the matches ↓View original watch ↗
Case diameter
39 mm
Lug-to-lug
45 mm
Movement
Automatic
Catalog MSRP
$1,042
Marnaut Safe Harbour 100The 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 matchMarnaut Seascape 200A40 mm case, 1 mm widerSee the match ↓
Lower recorded MSRPVero Watch Company Open Water 41$875 recorded MSRP, $167 lowerSee the match ↓
Shorter lug-to-lugArchimede Watches OutDoor 3943.5 mm lug-to-lug, 1.5 mm shorterSee 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.

ColorwayPick a colorway to match a specific dial
47 matches

Microbrand picks· 12

Discover smaller makers with catalog similarities to this watch.

Marnaut Seascape 200A
Marnaut

Seascape 200A

  • 40 mm case, 1 mm wider
  • 48 mm lug-to-lug, 3 mm longer
  • Same Sellita SW200-1 caliber
What changes

1.2 mm thicker case. $1,274 recorded MSRP, $232 higher

View watch ↗
Compare models ↗
Marnaut Safe Harbour 100C Safe Harbour Classic 100 (cushion case, multi-subdial complication, applied batons)
Marnaut

Safe Harbour 100C Safe Harbour Classic 100 (cushion case, multi-subdial complication, applied batons)

  • Same 39 mm case diameter
  • Same Sellita SW200-1 caliber
What changes

Dimensions alone do not establish wrist fit.

View watch ↗
Compare models ↗
Vero Watch Company Open Water 41
Vero Watch Company

Open Water 41

  • $875 recorded MSRP, $167 lower
  • 40 mm case, 1 mm wider
  • 47 mm lug-to-lug, 2 mm longer
What changes

2 mm thinner case

View watch ↗
Compare models ↗
Archimede Watches OutDoor 39
Archimede Watches

OutDoor 39

  • Same 39 mm case diameter
  • 43.5 mm lug-to-lug, 1.5 mm shorter
  • Same Sellita SW200-1 caliber
What changes

1.8 mm thinner case. $1,207 recorded MSRP, $165 higher

View watch ↗
Compare models ↗
Circula Watches AquaSport II
Circula Watches

AquaSport II

  • $940 recorded MSRP, $102 lower
  • 40 mm case, 1 mm wider
  • 46 mm lug-to-lug, 1 mm longer
What changes

0.4 mm thinner case

View watch ↗
Compare models ↗
Laco Köln
Laco

Köln

  • 41 mm case, 2 mm wider
  • Same Sellita SW200-1 caliber
What changes

$1,500 recorded MSRP, $458 higher

View watch ↗
Compare models ↗
Minus-8 Field 1S
Minus-8

Field 1S

  • $298 recorded MSRP, $744 lower
  • Same 39 mm case diameter
  • 52 mm lug-to-lug, 7 mm longer
What changes

0.5 mm thinner case

View watch ↗
Compare models ↗
Nezumi Studios Baleine
Nezumi Studios

Baleine

  • $797 recorded MSRP, $245 lower
  • 40 mm case, 1 mm wider
  • 47 mm lug-to-lug, 2 mm longer
What changes

0.9 mm thinner case

View watch ↗
Compare models ↗
Chronotechna SeaQuest Dive
Chronotechna

SeaQuest Dive

  • 42 mm case, 3 mm wider
  • 47.7 mm lug-to-lug, 2.7 mm longer
  • Same Sellita SW200-1 caliber
What changes

0.6 mm thinner case. $1,370 recorded MSRP, $328 higher

View watch ↗
Compare models ↗
BOLDR Supply Co. Expedition II
BOLDR Supply Co.

Expedition II

  • $699 recorded MSRP, $343 lower
  • 41 mm case, 2 mm wider
  • 48 mm lug-to-lug, 3 mm longer
What changes

1 mm thicker case

View watch ↗
Pompeak Sub-Aquatic
Pompeak

Sub-Aquatic

  • $945 recorded MSRP, $97 lower
  • 40 mm case, 1 mm wider
  • 48 mm lug-to-lug, 3 mm longer
What changes

Dimensions alone do not establish wrist fit.

View watch ↗
Compare models ↗
ZRC 1904 DIVER300 -METAL
ZRC 1904

DIVER300 -METAL

  • Same 39 mm case diameter
  • Same Sellita SW200-1 caliber
What changes

0.4 mm thicker case. $2,490 recorded MSRP, $1,448 higher

View watch ↗
Compare models ↗

Mainstream picks· 11

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

Damasko DK32/2
Damasko

DK32/2

  • Same 39 mm case diameter
  • Same Sellita SW200-1 caliber
What changes

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

View watch ↗
Compare models ↗
Glycine Sea Kraken
Glycine

Sea Kraken

  • Same 39 mm case diameter
  • Same Sellita SW200-1 caliber
What changes

0.3 mm thinner case. $1,550 recorded MSRP, $508 higher

View watch ↗
Compare models ↗
Christopher Ward C60 Trident Pro 300
Christopher Ward

C60 Trident Pro 300

  • 40 mm case, 1 mm wider
  • 47.5 mm lug-to-lug, 2.5 mm longer
  • Same Sellita SW200-1 caliber
What changes

1.7 mm thinner case. $1,095 recorded MSRP, $53 higher

View watch ↗
Compare models ↗
Christopher Ward C60 Lympstone
Christopher Ward

C60 Lympstone

  • 42 mm case, 3 mm wider
  • 49.3 mm lug-to-lug, 4.3 mm longer
  • Same Sellita SW200-1 caliber
What changes

0.8 mm thicker case. $1,615 recorded MSRP, $573 higher

View watch ↗
Compare models ↗
Damasko DK30
Damasko

DK30

  • Same 39 mm case diameter
  • Same Sellita SW200-1 caliber
What changes

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

View watch ↗
Compare models ↗
Christopher Ward The Twelve Midnight
Christopher Ward

The Twelve Midnight

  • 38 mm case, 1 mm narrower
  • 43.3 mm lug-to-lug, 1.7 mm shorter
  • Same Sellita SW200-1 caliber
What changes

3.1 mm thinner case. $1,210 recorded MSRP, $168 higher

View watch ↗
Yema Diver
Yema

Diver

  • $990 recorded MSRP, $52 lower
  • 39.5 mm case, 0.5 mm wider
  • Same Sellita SW200-1 caliber
What changes

2.1 mm thinner case

View watch ↗
Compare models ↗
Yema Navygraf Heritage
Yema

Navygraf Heritage

  • $990 recorded MSRP, $52 lower
  • Same 39 mm case diameter
  • 46 mm lug-to-lug, 1 mm longer
What changes

2.2 mm thinner case

View watch ↗
Compare models ↗
Movado Series 800 Automatic
Movado

Series 800 Automatic

  • 40 mm case, 1 mm wider
  • Same Sellita SW200-1 caliber
What changes

$1,895 recorded MSRP, $853 higher

View watch ↗
Compare models ↗
Sinn 544
Sinn

544

  • 38.5 mm case, 0.5 mm narrower
  • Same Sellita SW200-1 caliber
What changes

3 mm thinner case. $1,879 recorded MSRP, $837 higher

View watch ↗
Glycine Combat Sub Sport
Glycine

Combat Sub Sport

  • $540 recorded MSRP, $502 lower
  • Same 39 mm case diameter
  • Same Sellita SW200-1 caliber
What changes

1.8 mm thinner 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 Combat Field GL0583
Glycine

Combat Field GL0583

  • $360 recorded MSRP, $682 lower
  • 40 mm case, 1 mm wider
  • Same Sellita SW200-1 caliber
What changes

1.6 mm thinner case

View watch ↗
Orient AC0Q-40 Diver
Orient

AC0Q-40 Diver

  • $370 recorded MSRP, $672 lower
  • 39.9 mm case, 0.9 mm wider
  • 46.5 mm lug-to-lug, 1.5 mm longer
What changes

0.2 mm thinner case

View watch ↗
Compare models ↗
Bulova Vintage Sea Hunter
Bulova

Vintage Sea Hunter

  • $395 recorded MSRP, $647 lower
  • Same 39 mm case diameter
  • Both use automatic movements
What changes

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

View watch ↗
Compare models ↗
Seiko Seiko 5 Sports Field series
Seiko

Seiko 5 Sports Field series

  • $315 recorded MSRP, $727 lower
  • 39.4 mm case, 0.4 mm wider
  • 48.1 mm lug-to-lug, 3.1 mm longer
What changes

0.2 mm thicker case

View watch ↗
Seiko Seiko 5 Sports SKX series
Seiko

Seiko 5 Sports SKX series

  • $350 recorded MSRP, $692 lower
  • 38 mm case, 1 mm narrower
  • 44.2 mm lug-to-lug, 0.8 mm shorter
What changes

0.9 mm thinner case

View watch ↗
Compare models ↗
Glycine Combat Sub
Glycine

Combat Sub

  • $515 recorded MSRP, $527 lower
  • 42 mm case, 3 mm wider
  • Same Sellita SW200-1 caliber
What changes

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

View watch ↗
Compare models ↗
Glycine Combat Sub
Glycine

Combat Sub

  • $515 recorded MSRP, $527 lower
  • 42 mm case, 3 mm wider
  • Same Sellita SW200-1 caliber
What changes

2.4 mm thinner case

View watch ↗
Compare models ↗
Orient Diver Design 40
Orient

Diver Design 40

  • $370 recorded MSRP, $672 lower
  • 39.9 mm case, 0.9 mm wider
  • 46.5 mm lug-to-lug, 1.5 mm longer
What changes

0.2 mm thinner case

View watch ↗
Compare models ↗
Damasko DK36
Damasko

DK36

  • 40 mm case, 1 mm wider
  • Same Sellita SW200-1 caliber
What changes

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

View watch ↗
Damasko DK37
Damasko

DK37

  • 40 mm case, 1 mm wider
  • Same Sellita SW200-1 caliber
What changes

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

View watch ↗
Seiko 5KX
Seiko

5KX

  • $375 recorded MSRP, $667 lower
  • 42.5 mm case, 3.5 mm wider
  • 46 mm lug-to-lug, 1 mm longer
What changes

0.4 mm thicker case

View watch ↗
Compare models ↗
Invicta Pro Diver 8927OB
Invicta

Pro Diver 8927OB

  • 40 mm case, 1 mm wider
  • 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 Flieger F-41
Fortis

Flieger F-41

  • 41 mm case, 2 mm wider
  • Same Sellita SW200-1 caliber
What changes

1.5 mm thinner case. $2,640 recorded MSRP, $1,598 higher

View watch ↗
Longines Legend Diver
Longines

Legend Diver

  • Same 39 mm case diameter
  • 47 mm lug-to-lug, 2 mm longer
  • Both use automatic movements
What changes

0.3 mm thinner case. $3,500 recorded MSRP, $2,458 higher

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

GSAR (Government Search & Rescue) Diver's Automatic

  • 41 mm case, 2 mm wider
  • 48 mm lug-to-lug, 3 mm longer
  • Same Sellita SW200-1 caliber
What changes

1 mm thicker case. $2,500 recorded MSRP, $1,458 higher

View watch ↗
Compare models ↗
Sinn 6060
Sinn

6060

  • 38.5 mm case, 0.5 mm narrower
  • Both use automatic movements
What changes

1 mm thinner case. $3,056 recorded MSRP, $2,014 higher

View watch ↗
Blancpain Bathyscaphe
Blancpain

Bathyscaphe

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

2.2 mm thinner case. $12,500 recorded MSRP, $11,458 higher

View watch ↗
Compare models ↗
Bremont Supermarine 300M
Bremont

Supermarine 300M

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

1 mm thinner case. $3,850 recorded MSRP, $2,808 higher

View watch ↗
Compare models ↗
Christopher Ward C60 Trident Lumière
Christopher Ward

C60 Trident Lumière

  • 41 mm case, 2 mm wider
  • 47.9 mm lug-to-lug, 2.9 mm longer
  • Same Sellita SW200-1 caliber
What changes

2.2 mm thinner case. $2,570 recorded MSRP, $1,528 higher

View watch ↗
Compare models ↗
Norqain Adventure 40mm
Norqain

Adventure 40mm

  • 40 mm case, 1 mm wider
  • 48.3 mm lug-to-lug, 3.3 mm longer
  • Both use automatic movements
What changes

0.4 mm thinner case. $4,120 recorded MSRP, $3,078 higher

View watch ↗
Compare models ↗
NOMOS Glashütte Ahoi neomatik 38 date sand
NOMOS Glashütte

Ahoi neomatik 38 date sand

  • 38.5 mm case, 0.5 mm narrower
  • 48.7 mm lug-to-lug, 3.7 mm longer
  • Both use automatic movements
What changes

3.2 mm thinner case. $4,710 recorded MSRP, $3,668 higher

View watch ↗
Compare models ↗
Fortis Marinemaster M-40
Fortis

Marinemaster M-40

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

$3,520 recorded MSRP, $2,478 higher

View watch ↗
Compare models ↗
Sinn 6068
Sinn

6068

  • 38.5 mm case, 0.5 mm narrower
  • Both use automatic movements
What changes

1 mm thinner case. $2,754 recorded MSRP, $1,712 higher

View watch ↗
Sinn EZM 3 S
Sinn

EZM 3 S

  • 41 mm case, 2 mm wider
  • Same Sellita SW200-1 caliber
What changes

0.7 mm thinner case. $3,046 recorded MSRP, $2,004 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.