Side by side

CWC SBS Black Ice Quartz WatchvsYema Superman Steel CMM.10

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

SBS Black Ice Quartz Watch
CWCSBS Black Ice Quartz Watch
MSRP $666
Superman Steel CMM.10
YemaSuperman Steel CMM.10
MSRP $1,890

At a glance

11 of 29 specs differ
Diameter
SBS Black Ice Quartz Watch40mm
Superman Steel CMM.1039mm
Power Reserve
SBS Black Ice Quartz Watch40h
Superman Steel CMM.1040h
Water Resistance
SBS Black Ice Quartz Watch300m
Superman Steel CMM.10300m
MSRP
SBS Black Ice Quartz Watch$666
Superman Steel CMM.10$1,890

Full specifications

Case

5 specs
Diameter
40mm
39mm
Thickness
12mm
11.3mm
Lug-to-Lug
46mm
Lug Width
20mm
19mm
Material
Stainless Steel
316L Stainless Steel

Crystal & Dial

3 specs
Crystal
Sapphire
Domed Sapphire
AR Coating
Yes
Inner
Dial Color
CWC SBS Black Ice Quartz Watch
Steel

Movement

2 specs
Caliber
Ronda 517
Yema CMM.10
Type
Quartz
Automatic

Pricing

1 specs
MSRP
$666
$1,890

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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.

CWC SBS Black Ice Quartz Watch

Owners widely praise the CWC SBS Black Ice Quartz Watch for its legible, uncluttered dial, excellent Super-LumiNova lume, and robust build quality, noting its comfortable 12mm thickness and durable PVD coating. The bezel action is described as having zero back play, and the fixed lugs are appreciated for easy strap changes. One owner reported the lume is readable throughout the night, while another flagged a faulty mechanism requiring replacement and poor retailer customer service. The £700 price is considered high by some compared to similar quartz divers, leading to questions about its value. Overall, owners rate the CWC SBS Black Ice Quartz Watch highly for its bombproof, toolish design and practical aesthetics.

Yema Superman Steel CMM.10

Owners widely praise the Yema Superman Steel CMM.10 for its refined casework, including polished lug bevels and an elegant crown guard, and its comfortable 39mm x 10.5mm dimensions. The glossy black lacquer dial and bezel insert are noted for adding depth, and the in-house CMM.10 movement is reported to be accurate, with one owner observing a loss of only 2 seconds over 2 days. The scales bracelet is described as gorgeous and nearly invisible on the wrist, though some find its polished center links too flashy. One reviewer flagged the signature bezel lock mechanism as flimsy and inconvenient. The CMM.10 automatic movement offers a 70-hour power reserve and is regulated to within +5/-3 seconds per day. On balance, owners and reviewers rate the Yema Superman Steel CMM.10 highly for its refined finishing and comfortable wearability at its price point.

From video reviewers

The Yema Steel features an in-house movement with a micro-rotor, one of the most beautiful at this price point. The watch's clasp feels a bit thin, which is a notable drawback. Reviewers disagree on the movement's power reserve, with one reviewer noting a 42-hour reserve and the other not mentioning power reserve at all.

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