Side by side

Tudor Black Bay One 31 S&GvsYema Navygraf Marine Nationale Femme

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

Black Bay One 31 S&G
TudorBlack Bay One 31 S&G
MSRP $6,850
Navygraf Marine Nationale Femme
YemaNavygraf Marine Nationale Femme
MSRP $399

At a glance

13 of 29 specs differ
Diameter
Black Bay One 31 S&G31mm
Navygraf Marine Nationale Femme34mm
Power Reserve
Black Bay One 31 S&G50h
Navygraf Marine Nationale Femme40h
Water Resistance
Black Bay One 31 S&G100m
Navygraf Marine Nationale Femme100m
MSRP
Black Bay One 31 S&G$6,850
Navygraf Marine Nationale Femme$399

Full specifications

Case

8 specs
Category
Diver
Diameter
31mm
34mm
Thickness
9.5mm
10.3mm
Lug-to-Lug
46mm
Lug Width
17mm
16mm
Material
Stainless Steel
316L Stainless Steel
Finish
Polished + Satin
Brushed and polished
Caseback
Solid screw-down
Solid

Crystal & Dial

1 specs
Dial Color
Black
Standard

Movement

3 specs
Caliber
MT5201
Type
Automatic
Quartz
Power Reserve
50h
40h

Pricing

1 specs
MSRP
$6,850
$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.

Tudor Black Bay One 31 S&G

The Tudor Black Bay One 31 S&G is praised for its quiet luxury, combining brushed steel and warm gold accents for understated charm. Owners appreciate the brushed gold for a casual two-tone look and the champagne dial's surprising legibility. Some find the case sides too thick, and one user expressed a desire for a smaller S&G variant. The watch features the MT5612 movement with a 70-hour power reserve and a date function, within a 200-meter water-resistant case. Overall, owners and reviewers highlight the Tudor Black Bay One 31 S&G's balanced two-tone aesthetic as its primary appeal.

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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