Side by side

Tudor Black Bay One 31vsYema Superman Gilt CMM.10

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

Black Bay One 31
TudorBlack Bay One 31
MSRP $4,600
Superman Gilt CMM.10
YemaSuperman Gilt CMM.10
MSRP $1,699

At a glance

13 of 29 specs differ
Diameter
Black Bay One 3131mm
Superman Gilt CMM.1039mm
Power Reserve
Black Bay One 3150h
Superman Gilt CMM.1040h
Water Resistance
Black Bay One 31100m
Superman Gilt CMM.10300m
MSRP
Black Bay One 31$4,600
Superman Gilt CMM.10$1,699

Full specifications

Case

8 specs
Diameter
31mm
39mm
Thickness
9.5mm
11.3mm
Lug-to-Lug
46mm
Lug Width
17mm
19mm
Material
Stainless Steel
316L Stainless Steel
Finish
Polished + Satin
Brushed and polished
Water Resistance
100m
300m
Caseback
Solid screw-down
Solid

Crystal & Dial

2 specs
Crystal
Sapphire
Domed Sapphire
Dial Color
Anthracite
Black

Movement

2 specs
Caliber
MT5201
Yema CMM.10
Power Reserve
50h
40h

Pricing

1 specs
MSRP
$4,600
$1,699

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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

Owners widely report the Tudor Black Bay One 31's polished case and bracelet scratch easily, though its wearability under gloves and robust movement are praised. Some desire more micro-adjustment options on the clasp, and a lack of contrast between the silver dial and hands is noted. The 31mm size may be a consideration for daily wear due to its 50-hour power reserve. On balance, owners and reviewers appreciate the Tudor Black Bay One 31 for its comfortable wearability and robust movement, despite concerns about case scratching and clasp adjustability.

Yema Superman Gilt CMM.10

Owners and reviewers widely praise the Yema Superman Gilt CMM.10 for its comfortable, slim wearability and captivating gilt-accented sunburst dial, making it a frequent choice for daily wear. The in-house CMM.10 automatic movement is noted for its impressive accuracy, regulated to +5/-3 seconds per day, and a 70-hour power reserve. One owner wished for an option without gold accents, and the bracelet's articulation is mentioned as potentially not suiting smaller wrists, though a 39mm case option exists. Overall, owners and reviewers rate the Yema Superman Gilt CMM.10 highly for its value and comfortable, attractive design.

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