Side by side

CWC SBS Divers Issue Quartz Watch Mk.2 Day/DatevsTudor Black Bay 58

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
Black Bay 58
TudorBlack Bay 58
MSRP $5,350

At a glance

18 of 29 specs differ
Diameter
SBS Divers Issue Quartz Watch Mk.2 Day/Date41mm
Black Bay 5839mm
Power Reserve
SBS Divers Issue Quartz Watch Mk.2 Day/Date40h
Black Bay 5865h
Water Resistance
SBS Divers Issue Quartz Watch Mk.2 Day/Date300m
Black Bay 58200m
MSRP
SBS Divers Issue Quartz Watch Mk.2 Day/Date$624
Black Bay 58$5,350

Full specifications

Case

6 specs
Diameter
41mm
39mm
Thickness
12mm
11.7mm
Lug-to-Lug
47mm
46mm
Finish
Brushed and polished
Polished + Satin
Water Resistance
300m
200m
Caseback
Solid
Solid screw-down

Crystal & Dial

4 specs
Crystal Shape
Flat
AR Coating
Inner
Dial Color
CWC SBS Divers Issue Quartz Watch Mk.2 Day/Date, Black (SF300 QS120-DD)
Black
Lume
Super-LumiNova
None

Movement

7 specs
Caliber
MT5400-U
Type
Quartz
Automatic
Beat Rate
28,800 vph
0 vph
Power Reserve
40h
65h
Jewels
25
0
Hacking
Yes
No
Hand-winding
Yes
No

Pricing

1 specs
MSRP
$624
$5,350

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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.

Tudor Black Bay 58

The Tudor Black Bay 58 is widely praised for its superb wearing experience, perfect proportions, and comfortable wearability, with owners anticipating it becoming a Tudor classic. Reviewers highlight its substantial, rugged build quality and significant value, rivaling more expensive timepieces. One owner notes the clasp's sharp shield as a minor annoyance.

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