Side by side

Seestern S450 Ocean StarvsYema Navygraf Marine Nationale Femme

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 Marine Nationale Femme
YemaNavygraf Marine Nationale Femme
MSRP $399

At a glance

13 of 29 specs differ
Diameter
S450 Ocean Star40mm
Navygraf Marine Nationale Femme34mm
Power Reserve
S450 Ocean Star41h
Navygraf Marine Nationale Femme40h
Water Resistance
S450 Ocean Star100m
Navygraf Marine Nationale Femme100m
MSRP
S450 Ocean Star$299
Navygraf Marine Nationale Femme$399

Full specifications

Case

4 specs
Diameter
40mm
34mm
Thickness
12mm
10.3mm
Lug-to-Lug
48mm
Lug Width
20mm
16mm

Crystal & Dial

2 specs
Dial Color
White
Standard
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
$399

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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 Marine Nationale Femme

The Yema Navygraf Marine Nationale Femme is praised for its clean dial, good bezel action, and robust build for daily wear, with its 39mm case noted as impressively thin at 11mm for 300m water resistance. Owners report accuracy averaging +6 seconds per day. One owner notes sharp edges and a slight rattle on the steel bracelet. The CMM.10 automatic movement offers a 70-hour power reserve. On balance, owners value the Yema Navygraf Marine Nationale Femme for its design and robust build at its price point, despite some concerns about accuracy and bracelet finishing.

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