Side by side

Seestern S450 Ocean StarvsYema Yachtingraf Croisière Meca-Quartz

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

S450 Ocean Star
SeesternS450 Ocean Star
MSRP $299
Yachtingraf Croisière Meca-Quartz
YemaYachtingraf Croisière Meca-Quartz
MSRP $420

At a glance

15 of 29 specs differ
Diameter
S450 Ocean Star40mm
Yachtingraf Croisière Meca-Quartz38.5mm
Power Reserve
S450 Ocean Star41h
Yachtingraf Croisière Meca-Quartz40h
Water Resistance
S450 Ocean Star100m
Yachtingraf Croisière Meca-Quartz50m
MSRP
S450 Ocean Star$299
Yachtingraf Croisière Meca-Quartz$420

Full specifications

Case

6 specs
Category
Diver
Chronograph
Diameter
40mm
38.5mm
Thickness
12mm
10.3mm
Lug-to-Lug
48mm
Lug Width
20mm
19mm
Water Resistance
100m
50m

Crystal & Dial

2 specs
Dial Color
White
Blue
Lume
Tritium
None

Movement

6 specs
Caliber
TMI NH35A
Type
Automatic
Quartz
Beat Rate
21,600 vph
28,800 vph
Power Reserve
41h
40h
Jewels
24
25
Complications
GMT, Date
None

Pricing

1 specs
MSRP
$299
$420

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What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Seestern S450 Ocean Star

Owners widely praise the Seestern S450 Ocean Star's Yachtmaster-style case and flawless bracelet finishing, with one owner noting the ST2130 movement keeps good time. The bezel action is described as having individual notches but feeling like a friction bezel, while another owner flags the bezel and crown action as smooth with perfect alignment. Lume is a point of contention, with one source describing it as a nice cool blue with ice-white application, while others note it as weak or not matching Prospex standards, despite using BGW-9. The watch is considered a "big boy" ideal for larger wrists (19cm+), potentially too large for 17cm wrists due to its size and non-tapering bracelet. Overall, owners rate the Seestern S450 Ocean Star highly for its build quality and finishing at the price point, despite some reservations about its size and lume intensity.

Yema Yachtingraf Croisière Meca-Quartz

Owners praise the Yema Yachtingraf Croisière Meca-Quartz for its attractive design, historical significance, and comfortable 38.5mm size, with some appreciating its meca-quartz movement. The watch features a hesalite crystal and Seiko VK63 movement, measuring 10.3mm thin and 46mm lug to lug. Some owners note sharp edges on the case and a strap that feels cheap, though others find the strap acceptable and consider it a great summer watch. Opinions are split on the necessity of the 24-hour subdial, and concerns have been raised about the price and customer support. On balance, owners rate the Yema Yachtingraf Croisière Meca-Quartz highly for its appealing vintage-inspired look and accessible price point.

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