Side by side

CWC SBS Divers Issue Quartz Watch Mk.2 Day/DatevsMarathon Steel Navigator SSNAV Auto

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
Steel Navigator SSNAV Auto
MarathonSteel Navigator SSNAV Auto
MSRP $1,300

At a glance

10 of 29 specs differ
Diameter
SBS Divers Issue Quartz Watch Mk.2 Day/Date41mm
Steel Navigator SSNAV Auto41mm
Power Reserve
SBS Divers Issue Quartz Watch Mk.2 Day/Date40h
Steel Navigator SSNAV Auto40h
Water Resistance
SBS Divers Issue Quartz Watch Mk.2 Day/Date300m
Steel Navigator SSNAV Auto60m
MSRP
SBS Divers Issue Quartz Watch Mk.2 Day/Date$624
Steel Navigator SSNAV Auto$1,300

Full specifications

Case

5 specs
Category
Diver
Pilot
Thickness
12mm
11.5mm
Lug-to-Lug
47mm
48mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
300m
60m

Crystal & Dial

2 specs
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
Sellita SW200-1
Type
Quartz
Automatic

Pricing

1 specs
MSRP
$624
$1,300

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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.

Marathon Steel Navigator SSNAV Auto

The Marathon Steel Navigator SSNAV Auto is praised for its high-accuracy quartz movement, with owners noting its comfort and reliable performance. Reviewers highlight its functional tool-watch appeal, featuring a sandblasted steel case, tritium tubes for constant low-light visibility, and 100-meter water resistance. One owner finds the 41mm case runs a bit small. The Marathon Steel Navigator SSNAV Auto utilizes an ETA F06.412 quartz movement with a claimed accuracy of +/- 10 seconds per year and includes a GMT bidirectional bezel. Overall, owners and reviewers rate the Marathon Steel Navigator SSNAV Auto highly for its comfortable wear and dependable, high-accuracy quartz movement.

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