Side by side

Tudor Black Bay ChronovsYema Superman Slim CMM.20

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

Black Bay Chrono
TudorBlack Bay Chrono
MSRP $7,000
Superman Slim CMM.20
YemaSuperman Slim CMM.20
MSRP $2,372

At a glance

21 of 29 specs differ
Diameter
Black Bay Chrono41mm
Superman Slim CMM.2039mm
Power Reserve
Black Bay Chrono70h
Superman Slim CMM.2040h
Water Resistance
Black Bay Chrono200m
Superman Slim CMM.20300m
MSRP
Black Bay Chrono$7,000
Superman Slim CMM.20$2,372

Full specifications

Case

9 specs
Category
Chronograph
Diver
Diameter
41mm
39mm
Thickness
14.4mm
9.95mm
Lug-to-Lug
46mm
Lug Width
22mm
20mm
Material
Stainless Steel
316L Stainless Steel
Finish
Brushed + Polished + Satin
Brushed and polished
Water Resistance
200m
300m
Caseback
Solid screw-down
Solid

Crystal & Dial

4 specs
Crystal
Sapphire
Domed Sapphire
Crystal Shape
Flat
AR Coating
Inner
Indices
Applied

Movement

7 specs
Caliber
MT5813
Yema CMM.20
Beat Rate
0 vph
28,800 vph
Power Reserve
70h
40h
Jewels
0
25
Hacking
No
Yes
Hand-winding
No
Yes
Complications
Chronograph, Date
None

Pricing

1 specs
MSRP
$7,000
$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 Chrono

Owners widely praise the Tudor Black Bay Chrono as a fantastic offering. Reviewers note the 41mm case's 200-meter water resistance and its channeling of vintage chronograph design, with the reverse panda dial offering excellent legibility. However, one reviewer points out that the white lume on the panda dial can blend with the hands and markers, and the snowflake hand can obscure the 45-minute chronograph totalizer. Overall, owners rate the Tudor Black Bay Chrono highly for its strong design and legibility, despite minor legibility concerns on certain dial configurations.

Yema Superman Slim CMM.20

Owners and reviewers praise the Yema Superman Slim CMM.20 for its appealing retro design, balanced 39mm case, and in-house CMM.20 micro-rotor movement, with some finding the fish scale bracelet attractive. Concerns exist regarding its $2500/€2,490 MSRP, with some owners questioning its value and noting the potential for QC issues or a "jittery" seconds hand attributed to the new movement. The bracelet's articulation and stamped clasp draw criticism, though some owners report it improves with wear. Overall, owners and reviewers appreciate the Yema Superman Slim CMM.20's vintage styling and unique micro-rotor movement, but its value proposition and some finishing details are points of contention.

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