Side by side

CWC SBS Divers Issue Quartz Watch Mk.2 Day/DatevsYema Skin Diver CMM.20

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

SBS Divers Issue Quartz Watch Mk.2 Day/Date
CWCSBS Divers Issue Quartz Watch Mk.2 Day/Date
MSRP $624
Skin Diver CMM.20
YemaSkin Diver CMM.20
MSRP $2,372

At a glance

10 of 29 specs differ
Diameter
SBS Divers Issue Quartz Watch Mk.2 Day/Date41mm
Skin Diver CMM.2039.5mm
Power Reserve
SBS Divers Issue Quartz Watch Mk.2 Day/Date40h
Skin Diver CMM.2040h
Water Resistance
SBS Divers Issue Quartz Watch Mk.2 Day/Date300m
Skin Diver CMM.20200m
MSRP
SBS Divers Issue Quartz Watch Mk.2 Day/Date$624
Skin Diver CMM.20$2,372

Full specifications

Case

4 specs
Diameter
41mm
39.5mm
Thickness
12mm
11.5mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
300m
200m

Crystal & Dial

3 specs
Crystal
Sapphire
Domed Sapphire
Dial Color
CWC SBS Divers Issue Quartz Watch Mk.2 Day/Date, Black (SF300 QS120-DD)
Black
Lume
Super-LumiNova
None

Movement

2 specs
Caliber
Yema CMM.20
Type
Quartz
Automatic

Pricing

1 specs
MSRP
$624
$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.

CWC SBS Divers Issue Quartz Watch Mk.2 Day/Date

The CWC SBS Divers Issue Quartz Watch Mk.2 Day/Date is widely praised for its exceptional legibility, particularly its dial design and thickly applied Super-LumiNova that remains readable all night. Owners appreciate its robust, toolish, bombproof design and comfortable wearability, with one noting its 11mm thickness and smaller wear size. The PVD finish withstands significant abuse. The Ronda movement is considered to have consistent second-hand movement. Some find its £700 price steep, especially compared to less expensive quartz divers, and fixed spring bars are noted as a drawback. Customer service is also flagged as potentially lacking by some. Overall, owners and reviewers rate the CWC SBS Divers Issue Quartz Watch Mk.2 Day/Date highly for its military aesthetics, legibility, and robust, comfortable tool-watch build.

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.

From video reviewers

The sapphire bezel insert and in-house CMM.20 movement are noted strengths. Reviewers questioned the value proposition compared to other Yema models.

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