Side by side

CWC SBS Divers Issue Quartz Watch Mk.2 Day/DatevsSeiko Prospex Rotocall

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
Prospex Rotocall
SeikoProspex Rotocall
MSRP $550

At a glance

10 of 29 specs differ
Diameter
SBS Divers Issue Quartz Watch Mk.2 Day/Date41mm
Prospex Rotocall37mm
Power Reserve
SBS Divers Issue Quartz Watch Mk.2 Day/Date40h
Prospex Rotocall40h
Water Resistance
SBS Divers Issue Quartz Watch Mk.2 Day/Date300m
Prospex Rotocall100m
MSRP
SBS Divers Issue Quartz Watch Mk.2 Day/Date$624
Prospex Rotocall$550

Full specifications

Case

5 specs
Category
Diver
Sport
Diameter
41mm
37mm
Thickness
12mm
10.6mm
Lug-to-Lug
47mm
43.5mm
Water Resistance
300m
100m

Crystal & Dial

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

Movement

1 specs
Caliber
A824

Pricing

1 specs
MSRP
$624
$550

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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.

Seiko Prospex Rotocall

Owners widely praise the Seiko Prospex Rotocall for its charismatic retro design and comfortable 37mm size, with many appreciating its space-faring heritage. However, multiple sources criticize its price point, suggesting it is too high for an all-digital quartz watch with features like a stamped clasp, mineral crystal, and standard quartz movement. Some owners also note drawbacks such as a flimsy battery mount and split pin bracelet construction. On balance, owners and reviewers find the Seiko Prospex Rotocall visually appealing and a faithful re-release, but its value proposition is frequently questioned due to its price.

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