Side by side

Ajwain Watches ShastravsSeestern S450 Ocean Star

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

Add a watch
Shastra
Ajwain WatchesShastra
MSRP $180
S450 Ocean Star
SeesternS450 Ocean Star
MSRP $299
Buy from Ajwain Watches ↗
Buy used on eBay ↗
Buy from Seestern ↗
Buy used on eBay ↗

At a glance

15 of 29 specs differ
Diameter
Shastra38mm
S450 Ocean Star40mm
Power Reserve
Shastra36h
S450 Ocean Star41h
Water Resistance
Shastra100m
S450 Ocean Star100m
MSRP
Shastra$180
S450 Ocean Star$299

Full specifications

Case

5 specs
Category
—
Diver
Diameter
38mm
40mm
Thickness
11mm
12mm
Lug-to-Lug
45mm
48mm
Material
Titanium
316L Stainless Steel

Crystal & Dial

3 specs
Crystal
Mineral
Sapphire
Dial Color
—
White
Lume
None
Tritium

Movement

6 specs
Caliber
Allwyn A6300
TMI NH35A
Type
Manual
Automatic
Beat Rate
28,800 vph
21,600 vph
Power Reserve
36h
41h
Jewels
25
24
Complications
None
GMT, Date

Pricing

1 specs
MSRP
—
$299
Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

Ajwain Watches Khaki stealth edition
Ajwain Watches

Khaki stealth edition

3 variantsRef. ajwain-khaki-naam-stealth-edition-copy
38mm·Manual·100m WR
$190MSRP
—Used
Traska Freediver Arctic
Traskamicro

Freediver Arctic

Ref. FRD-WHT-NDT-V7
40mm·Automatic·200m WR
$735MSRP
—Used
Christopher Ward C60 Atoll 300
Christopher Wardmicro
Atoll

C60 Atoll 300

2 watches · 3 variantsAtoll
40mm·Automatic·300m WR
$1,320MSRP
—Used
Camp Watches Fieldtimer
Camp Watches

Fieldtimer

3 variantsRef. atlantic-blue
39mm·Manual·100m WR
—MSRP
—Used
Phoibos Argo
Phoibosmicro

Argo

Ref. phoibos-argo-200m-automatic-diver-watch-py052f-spiral-sunray-yellow
40.5mm·Automatic·200m WR
$345MSRP
—Used
Aera Instruments M-1
Aera Instruments

M-1

3 variantsRef.
39mm·Manual·100m WR
—MSRP
—Used
Phoibos Storm Corsair
Phoibosmicro

Storm Corsair

4 variantsStorm Corsair
40mm·Automatic·200m WR
$480MSRP
—Used
Alexander James Watches A3 Artisan Series
Alexander James Watches

A3 Artisan Series

2 variantsRef. a3-artisan-series-maison-cacek-blue
38mm·Automatic·100m WR
—MSRP
—Used
All alternatives to the Shastra →All alternatives to the S450 Ocean Star →
Explore the full catalog

Follow this matchup

Get a note when Ajwain Watches Shastra vs Seestern S450 Ocean Star gets more votes, a community discussion, or a price drop. No account needed.

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.

Ajwain Watches Khaki stealth editionvsSeestern S450 Ocean StarAjwain Watches Khaki editionvsSeestern S450 Ocean StarCamp Watches FieldtimervsSeestern S450 Ocean StarAera Instruments M-1vsSeestern S450 Ocean StarAjwain Watches ShastravsTraska Freediver ArcticAjwain Watches ShastravsChristopher Ward C60 Atoll 300
Edit this comparisonAdd another watchExplore more 37–41mm watches