Side by side

Marathon GSAR (Government Search & Rescue) Diver's AutomaticvsSpinnaker Hull Riviera

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

GSAR (Government Search & Rescue) Diver's Automatic
MarathonGSAR (Government Search & Rescue) Diver's Automatic
MSRP $2,100
Hull Riviera
SpinnakerHull Riviera
MSRP $169

At a glance

9 of 29 specs differ
Diameter
GSAR (Government Search & Rescue) Diver's Automatic41mm
Hull Riviera42mm
Power Reserve
GSAR (Government Search & Rescue) Diver's Automatic40h
Hull Riviera40h
Water Resistance
GSAR (Government Search & Rescue) Diver's Automatic300m
Hull Riviera100m
MSRP
GSAR (Government Search & Rescue) Diver's Automatic$2,100
Hull Riviera$169

Full specifications

Case

6 specs
Category
Diver
Sport
Diameter
41mm
42mm
Thickness
14mm
15mm
Lug-to-Lug
48mm
47.5mm
Lug Width
20mm
22mm
Water Resistance
300m
100m

Crystal & Dial

1 specs
Dial Color
Anthracite
Blue

Movement

1 specs
Caliber
Sellita SW200-1
SII NH35A

Pricing

1 specs
MSRP
$2,100
$169

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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.

Marathon GSAR (Government Search & Rescue) Diver's Automatic

The Marathon GSAR (Government Search & Rescue) Diver's Automatic is widely praised for its legibility, comfort, and exceptional tritium illumination, with reviewers highlighting its utilitarian, military-equipment feel and a 41mm case size considered ideal. Owners appreciate its grippy bezel and the 300 meters of water resistance provided by the screw-down crown, deeming it a solid value for a Swiss-made tool watch. Some owners report quality control issues, with one user needing to warranty two watches, and another notes the GSAR wears taller than other models, leading to occasional bumping. The reliable ETA 2824-A2 movement is a consistent feature. Overall, owners and reviewers rate the Marathon GSAR (Government Search & Rescue) Diver's Automatic highly for its bright tritium lume and robust, no-nonsense tool watch design.

Spinnaker Hull Riviera

Owners praise the Spinnaker Hull Riviera's build quality, highlighting its milled clasp, solid links, and effective anti-reflective coating on the sapphire crystal. The watch features a sandwich dial with Superluminova, measures 42mm in diameter, 12mm thick with a 48mm lug-to-lug span, and uses a Seiko NH35 movement. Accuracy is reported as excellent, with one owner noting a gain of only +2 seconds over seven days. The crystal is noted as being fused to the case, leading to a repair quote of $198 for a cracked crystal, a cost considered excessive by some owners relative to the watch's price. Lume is considered mediocre, and some would have preferred a 4Hz movement. Overall, owners rate the Spinnaker Hull Riviera highly for its robust build and impressive accuracy at its price point.

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