Side by side

Grand Seiko STGK031vsYema Navygraf Marine Nationale Femme

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

STGK031
Grand SeikoSTGK031
MSRP $6,600
Navygraf Marine Nationale Femme
YemaNavygraf Marine Nationale Femme
MSRP $399

At a glance

12 of 29 specs differ
Diameter
STGK03130mm
Navygraf Marine Nationale Femme34mm
Power Reserve
STGK03150h
Navygraf Marine Nationale Femme40h
Water Resistance
STGK031100m
Navygraf Marine Nationale Femme100m
MSRP
STGK031$6,600
Navygraf Marine Nationale Femme$399

Full specifications

Case

6 specs
Category
Dress
Diver
Diameter
30mm
34mm
Thickness
10.5mm
10.3mm
Lug-to-Lug
36.2mm
Lug Width
15mm
16mm
Material
Stainless Steel
316L Stainless Steel

Crystal & Dial

2 specs
AR Coating
Yes
Inner
Dial Color
Black
Standard

Movement

3 specs
Caliber
9S27
Type
Automatic
Quartz
Power Reserve
50h
40h

Pricing

1 specs
MSRP
$6,600
$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.

Grand Seiko STGK031

Grand Seiko STGK031 owners widely praise its subtle, light pink dial that shifts to appear white or silver depending on lighting, its refined 30mm case size, and its simple elegance. Some find the 30mm sizing perfect for wearability, with one owner noting it is ideal for those who find 38mm watches too large. The Zaratsu polishing is also a noted strength. However, the Calibre 9S27 movement has a 50-hour power reserve and an accuracy range of +8 to -3 seconds per day, which some consider modest for the price. On balance, owners and reviewers rate the Grand Seiko STGK031 highly for its versatile dial and refined 30mm case.

From video reviewers

The 50-hour power reserve of the Calibre 9S27 movement is a shared strength. The 36mm lug-to-lug measurement is a weakness. Reviewers disagreed on the premium feel of the polished stainless steel case and bracelet compared to Zaratsu polishing.

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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