Side by side

Seestern S450 Ocean StarvsYema Navygraf FSM Bronze

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

S450 Ocean Star
SeesternS450 Ocean Star
MSRP $299
Navygraf FSM Bronze
YemaNavygraf FSM Bronze
MSRP $1,350

At a glance

14 of 29 specs differ
Diameter
S450 Ocean Star40mm
Navygraf FSM Bronze38.5mm
Power Reserve
S450 Ocean Star41h
Navygraf FSM Bronze40h
Water Resistance
S450 Ocean Star100m
Navygraf FSM Bronze100m
MSRP
S450 Ocean Star$299
Navygraf FSM Bronze$1,350

Full specifications

Case

5 specs
Diameter
40mm
38.5mm
Thickness
12mm
11.3mm
Lug-to-Lug
48mm
Lug Width
20mm
19mm
Material
316L Stainless Steel
Bronze

Crystal & Dial

3 specs
Crystal
Sapphire
Domed Sapphire
Dial Color
White
Bronze
Lume
Tritium
None

Movement

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

Pricing

1 specs
MSRP
$299
$1,350

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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 Navygraf FSM Bronze

Owners praise the Yema Navygraf FSM Bronze for its wearable 38.5mm bronze case and comfortable, high-quality parachute strap. The in-house YEMA2000 movement is noted as a positive. The watch features a glossy black dial with elongated markers and hands coated in Super-LumiNova, powered by the YEMA2000 calibre with a 42-hour power reserve, regulated to -/+ 10 seconds per day. Overall, owners rate the Yema Navygraf FSM Bronze highly for its comfortable wearability and the quality of its strap and in-house movement.

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