CWC [VAULT] CWC RN81 Diver Automatic WatchvsMarathon GSAR (Government Search & Rescue) Diver's Automatic
![[VAULT] CWC RN81 Diver Automatic Watch](/_next/image?url=%2Fimages%2Fwatches%2Fcwc--vault-cwc-rn81-clearance-diver-automatic-watch.png%3Fv%3D1792936160623&w=1536&q=60)
Ref. vault-cwc-rn81-clearance-diver-automatic-watch·MSRP $1,792
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Measurements
Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.
![CWC [VAULT] CWC RN81 Diver Automatic Watch at true scale](/_next/image?url=%2Fimages%2Fwatches%2Fcwc--vault-cwc-rn81-clearance-diver-automatic-watch.png%3Fv%3D1792936160623&w=1536&q=60)
[VAULT] CWC RN81 Diver Automatic Watch

GSAR (Government Search & Rescue) Diver's Automatic
Diameter
45mm
41mm
Lug-to-Lug
47mm
lowest
48mm
Thickness
12.7mm
lowest
14mm
Water Resistance
300m
300m
MSRP
$1,792
lowest
$2,500
Movement
Sellita SW200-1
Sellita SW200-1
Case
4 specsCrystal & Dial
1 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
Owners widely praise the CWC RN81 Diver Automatic Watch for its vintage-inspired aesthetic, milspec bezel, and lume details, with many finding it incredibly legible even in the dark. The watch is considered great value for its price, featuring top-notch crown, bezel, and case finishing, and has proven durable, surviving accidental drops. Some owners find the case a bit thick and large, and one owner prefers the PVD finish over the polished case. Overall, owners rate the CWC RN81 Diver Automatic Watch highly for its legibility and robust build at its price point.
The Marathon GSAR (Government Search & Rescue) Diver's Automatic is widely praised as a versatile and well-made tool watch, with reviewers highlighting its legibility, utilitarian build, and comfort. Owners appreciate the tritium gas tubes for exceptional illumination in darkness, a feature noted as superior to some alternatives. The 41mm case size is considered ideal by some, though one owner found it wore tall and bumped on objects. While the watch is generally seen as a solid value for a Swiss-made tool watch, some owners have reported quality control issues requiring warranty service. Overall, owners and reviewers rate the Marathon GSAR (Government Search & Rescue) Diver's Automatic highly for its robust build and constant legibility from tritium.
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Also compared
Comparisons nearby in the catalog: alternatives to the watches above paired against the matchup.
![CWC (Cabot Watch Company) [VAULT] CWC RN81 Diver Automatic Watch](/_next/image?url=%2Fimages%2Fwatches%2Fsm%2Fcwc-cabot-watch-company--vault-cwc-rn81-clearance-diver-automatic-watch.png%3Fv%3D1792936166325&w=1536&q=55)






