Aquatico
Sea Sentinel Tritium
- $599 recorded MSRP, $233 lower
- Same 38 mm case diameter
- Same Miyota 9015 caliber
What changes
0.2 mm thinner case
Watch alternatives
Alternatives to the Arken ALTERUM
Keep what you like. Explore what could be different. Compare 48 catalog matches by dimensions, movement and price.
- Case diameter
- 38 mm
- Lug-to-lug
- 46 mm
- Movement
- Automatic
- Catalog MSRP
- $832
The starting pointStarting points
Choose the differences that matter to you.
Closest catalog matchAquatico Sea Sentinel Tritium$599 recorded MSRP, $233 lowerSee the match Lower recorded MSRPAquatico Sea Sentinel Tritium DLC Black Black Dial$699 recorded MSRP, $133 lowerSee the match Shorter lug-to-lugMMI Watches SKY-HUNTER 3845.5 mm lug-to-lug, 0.5 mm shorterSee the match
Calculated from catalog specifications and similarity signals. Prices are recorded MSRP in USD, not current retail offers. 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.
Aquatico
Sea Sentinel Tritium DLC Black Black Dial
- $699 recorded MSRP, $133 lower
- Same 38 mm case diameter
- Same Miyota 9015 caliber
What changes
0.2 mm thinner case
MMI Watches
MMI/Nor-Light 39.5mm Stainless Steel Date Miyota 9015
- $520 recorded MSRP, $312 lower
- 39.5 mm case, 1.5 mm wider
- 46.5 mm lug-to-lug, 0.5 mm longer
What changes
1 mm thinner case
Vaer
D5 Meridian Auto
- $729 recorded MSRP, $103 lower
- 39 mm case, 1 mm wider
- Same Miyota 9015 caliber
What changes
0.5 mm thinner case
Aision Watch Co
HANG
- $781 recorded MSRP, $51 lower
- 40 mm case, 2 mm wider
- Same Miyota 9015 caliber
What changes
2.4 mm thinner case
BOLDR Supply Co.
Odyssey MGP
- $699 recorded MSRP, $133 lower
- 40 mm case, 2 mm wider
- 48 mm lug-to-lug, 2 mm longer
What changes
0.5 mm thinner case
Islander
PHOIBOS x ISLANDER Delphinus White Turquoise Dial Watch #PY066-LIW11
- $450 recorded MSRP, $382 lower
- 39 mm case, 1 mm wider
- Same Miyota 9015 caliber
What changes
2 mm thinner case
MMI Watches
NOR-LIGHT: DATE SAPPHIRE DIAL
- $520 recorded MSRP, $312 lower
- 39.5 mm case, 1.5 mm wider
- 46.5 mm lug-to-lug, 0.5 mm longer
What changes
1 mm thinner case
MMI Watches
SKY-HUNTER 38
- $490 recorded MSRP, $342 lower
- Same 38 mm case diameter
- 45.5 mm lug-to-lug, 0.5 mm shorter
What changes
2.4 mm thinner case
Raven
Trekker
- $690 recorded MSRP, $142 lower
- 39 mm case, 1 mm wider
- 48 mm lug-to-lug, 2 mm longer
What changes
0.5 mm thinner case
Scurfa
Treasure Seeker Black Dial
- $445 recorded MSRP, $387 lower
- 41 mm case, 3 mm wider
- 49 mm lug-to-lug, 3 mm longer
What changes
0.4 mm thinner case
TSAO Baltimore
Balt-Pilot Recon Meteorite
- 40 mm case, 2 mm wider
- 48 mm lug-to-lug, 2 mm longer
- Same Miyota 9015 caliber
What changes
0.6 mm thicker case. $850 recorded MSRP, $18 higher
Mainstream picks· 12
Established-brand matches. Compare the recorded dimensions, movement and price for each watch.
Orient
Elegant Classic
- 38.7 mm case, 0.7 mm wider
- Both use automatic movements
What changes
0.2 mm thinner case. $1,090 recorded MSRP, $258 higher
Invicta
Pro Diver 8926T-TF
- 40 mm case, 2 mm wider
- Both use automatic movements
What changes
Lug-to-lug is not recorded for this match.
Glycine
Men's Combat Sub Sport 39mm Automatic Watch GL0404
- 39 mm case, 1 mm wider
- Both use automatic movements
What changes
$1,650 recorded MSRP, $818 higher
Glycine
Men's Combat Sub Sport 39mm Automatic Watch GL0403
- 39 mm case, 1 mm wider
- Both use automatic movements
What changes
$1,650 recorded MSRP, $818 higher
Mido
Ocean Star 39
- 39 mm case, 1 mm wider
- Both use automatic movements
What changes
$1,250 recorded MSRP, $418 higher
Yema
Superman Worldtime GMT
- 39 mm case, 1 mm wider
- Both use automatic movements
What changes
$929 recorded MSRP, $97 higher
Seiko
Prospex Land 1959 Alpinist
- $750 recorded MSRP, $82 lower
- Same 38 mm case diameter
- 46.2 mm lug-to-lug, 0.2 mm longer
What changes
Dimensions alone do not establish wrist fit.
Seiko
Prospex Sea 1965 Heritage Diver's Watch
- 40 mm case, 2 mm wider
- 46.4 mm lug-to-lug, 0.4 mm longer
- Both use automatic movements
What changes
$1,300 recorded MSRP, $468 higher
Tissot
Seastar 1000
- 40 mm case, 2 mm wider
- Both use automatic movements
What changes
0.5 mm thinner case. $875 recorded MSRP, $43 higher
Nivada Grenchen
F77 MK1
- 37 mm case, 1 mm narrower
- 45 mm lug-to-lug, 1 mm shorter
- Both use automatic movements
What changes
0.9 mm thinner case. $1,560 recorded MSRP, $728 higher
Yema
Superman Heritage
- 39 mm case, 1 mm wider
- Both use automatic movements
What changes
1.7 mm thinner case. $1,004 recorded MSRP, $172 higher
Hamilton
Khaki Field Titanium Auto
- Same 38 mm case diameter
- Both use automatic movements
What changes
1.3 mm thinner case. $1,295 recorded MSRP, $463 higher
Cheaper alternatives· 12
Matches in a lower price band. A recorded MSRP difference is shown only when both prices are known.
Orient
Diver Design 40
- $370 recorded MSRP, $462 lower
- 39.9 mm case, 1.9 mm wider
- 46.5 mm lug-to-lug, 0.5 mm longer
What changes
0.2 mm thinner case
Orient
AC0Q-40 Diver Watch
- $370 recorded MSRP, $462 lower
- 39.9 mm case, 1.9 mm wider
- 46.5 mm lug-to-lug, 0.5 mm longer
What changes
0.2 mm thinner case
Bulova
Black Dial Stainless Steel Bracelet Vintage Sea Hunter 43B175
- $395 recorded MSRP, $437 lower
- 39 mm case, 1 mm wider
- Both use automatic movements
What changes
Lug-to-lug is not recorded for this match.
Casio
Edifice EFK-100D
- 39 mm case, 1 mm wider
- 43.5 mm lug-to-lug, 2.5 mm shorter
- Both use automatic movements
What changes
0.5 mm thinner case
Orient
Golden Eye II
- $315 recorded MSRP, $517 lower
- 38.5 mm case, 0.5 mm wider
- 45.5 mm lug-to-lug, 0.5 mm shorter
What changes
2 mm thinner case
Seiko
5 Sports SKX series
- $350 recorded MSRP, $482 lower
- Same 38 mm case diameter
- 44.2 mm lug-to-lug, 1.8 mm shorter
What changes
0.9 mm thinner case
Seiko
5 Sports SRPJ89
- $300 recorded MSRP, $532 lower
- 36.4 mm case, 1.6 mm narrower
- Both use automatic movements
What changes
0.5 mm thinner case
Seiko
SCVE053
- $207 recorded MSRP, $625 lower
- 42 mm case, 4 mm wider
- 51.5 mm lug-to-lug, 5.5 mm longer
What changes
1.4 mm thinner case
Timex
Peanuts x Timex Marlin Jet Automatic Easy Rider 38mm Fabric Strap Watch
- $379 recorded MSRP, $453 lower
- Same 38 mm case diameter
- Both use automatic movements
What changes
Lug-to-lug is not recorded for this match.
Timex
Marlin Draper Automatic 37mm Stainless Steel Bracelet Watch
- $309 recorded MSRP, $523 lower
- 37 mm case, 1 mm narrower
- 43.5 mm lug-to-lug, 2.5 mm shorter
What changes
Dimensions alone do not establish wrist fit.
Glycine
Men's Combat Field 42mm Automatic Watch GL0561
- $380 recorded MSRP, $452 lower
- 42 mm case, 4 mm wider
- Both use automatic movements
What changes
1.4 mm thinner case
Glycine
Men's Combat Field 42mm Automatic Watch GL0569
- $360 recorded MSRP, $472 lower
- 42 mm case, 4 mm wider
- Both use automatic movements
What changes
1.4 mm thinner case
Pricier alternatives· 12
Matches in a higher price band. Check the specifications to decide whether the differences matter to you.
Blancpain
Fifty Fathoms Automatique
- 38.2 mm case, 0.2 mm wider
- Both use automatic movements
What changes
1 mm thinner case. $19,900 recorded MSRP, $19,068 higher
Hublot
Classic Fusion King Gold
- Same 38 mm case diameter
- Both use automatic movements
What changes
$8,300 recorded MSRP, $7,468 higher
Frederique Constant
Highlife Automatic Cosc
- 39 mm case, 1 mm wider
- Both use automatic movements
What changes
2.7 mm thinner case. $1,995 recorded MSRP, $1,163 higher
Fortis
Marinemaster M-40
- 40 mm case, 2 mm wider
- Both use automatic movements
What changes
$3,960 recorded MSRP, $3,128 higher
Fortis
Vagabond V-40
- 40 mm case, 2 mm wider
- Both use automatic movements
What changes
1.3 mm thinner case. $7,480 recorded MSRP, $6,648 higher
Vertex
M60 AquaLion D
- 39 mm case, 1 mm wider
- 45 mm lug-to-lug, 1 mm shorter
- Both use automatic movements
What changes
2 mm thinner case. $3,243 recorded MSRP, $2,411 higher
Bremont
Supermarine 300M
- 40 mm case, 2 mm wider
- Both use automatic movements
What changes
1 mm thinner case. $3,600 recorded MSRP, $2,768 higher
Hublot
Classic Fusion King Gold
- Same 38 mm case diameter
- Both use automatic movements
What changes
$10,200 recorded MSRP, $9,368 higher
Zenith
Chronomaster Solo Sport No Date
- 40 mm case, 2 mm wider
- Both use automatic movements
What changes
0.1 mm thicker case. $9,800 recorded MSRP, $8,968 higher
Blancpain
Fifty Fathoms Automatique
- 38.2 mm case, 0.2 mm wider
- Both use automatic movements
What changes
1 mm thinner case. $18,600 recorded MSRP, $17,768 higher
Breitling
Superocean Heritage B31 Automatic
- 40 mm case, 2 mm wider
- Both use automatic movements
What changes
1.3 mm thinner case. $6,800 recorded MSRP, $5,968 higher
Nivada Grenchen
F77 MKII
- Same 38 mm case diameter
- Both use automatic movements
What changes
$1,790 recorded MSRP, $958 higher
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