Side by side

Tudor Black Bay 58 925vsYema Skin Diver CMM.20

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

Black Bay 58 925
TudorBlack Bay 58 925
MSRP $5,600
Skin Diver CMM.20
YemaSkin Diver CMM.20
MSRP $2,372

At a glance

18 of 29 specs differ
Diameter
Black Bay 58 92539mm
Skin Diver CMM.2039.5mm
Power Reserve
Black Bay 58 92570h
Skin Diver CMM.2040h
Water Resistance
Black Bay 58 925200m
Skin Diver CMM.20200m
MSRP
Black Bay 58 925$5,600
Skin Diver CMM.20$2,372

Full specifications

Case

6 specs
Diameter
39mm
39.5mm
Thickness
12.7mm
11.5mm
Lug-to-Lug
46mm
47mm
Material
Stainless Steel
316L Stainless Steel
Finish
Satin
Brushed and polished
Caseback
Solid screw-down
Solid

Crystal & Dial

5 specs
Crystal
Sapphire
Domed Sapphire
Crystal Shape
Flat
AR Coating
Inner
Dial Color
Taupe
Black
Indices
Applied

Movement

6 specs
Caliber
MT5400
Yema CMM.20
Beat Rate
0 vph
28,800 vph
Power Reserve
70h
40h
Jewels
0
25
Hacking
No
Yes
Hand-winding
No
Yes

Pricing

1 specs
MSRP
$5,600
$2,372

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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 58 925

The Tudor Black Bay 58 925 is praised for its unique taupe dial and bezel, and COSC-certified movement. Owners widely report the silver case scratches and dings more easily than steel, and some experience tarnishing despite anti-tarnishing claims, though it can be cleaned with an eraser or silver cloth. While some find the leather strap uncomfortable due to weight imbalance, others consider it suitable. The dial can appear washed out in certain lighting, and one owner notes the long springbar can scratch the case if it pops out. On balance, owners and reviewers appreciate the Tudor Black Bay 58 925 for its unique silver case and taupe dial, despite concerns about scratching and tarnishing.

Yema Skin Diver CMM.20

Owners and reviewers widely praise the Yema Skin Diver CMM.20 for its vintage aesthetic, 39mm-39.5mm case size, and the in-house CMM.20 micro-rotor movement. The watch features a textured cream dial, sharp applied indices, and a satisfyingly over-engineered push-to-turn bi-directional bezel. The fully brushed bracelet with toolless micro-adjust clasp is highlighted as a significant improvement, though some note its extended lug-to-lug may challenge smaller wrists. Accuracy figures range from -3/+7 seconds per day to erratic results between 0 and -10 seconds per day, with a 70-hour power reserve. Some owners express concerns about the brand's QC reputation and the micro-rotor movement's performance, while one reviewer noted questionable finishing on a prototype's hour hand and a rattly clasp. Overall, owners and reviewers rate the Yema Skin Diver CMM.20 highly for its vintage styling and improved bracelet at the price.

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