Side by side

Marathon GSAR (Government Search & Rescue) Diver's AutomaticvsOak & Oscar The Olmsted ExP-01

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
The Olmsted ExP-01
Oak & OscarThe Olmsted ExP-01
MSRP $1,775

At a glance

15 of 29 specs differ
Diameter
GSAR (Government Search & Rescue) Diver's Automatic41mm
The Olmsted ExP-0138mm
Power Reserve
GSAR (Government Search & Rescue) Diver's Automatic40h
The Olmsted ExP-0142h
Water Resistance
GSAR (Government Search & Rescue) Diver's Automatic300m
The Olmsted ExP-01100m
MSRP
GSAR (Government Search & Rescue) Diver's Automatic$2,100
The Olmsted ExP-01$1,775

Full specifications

Case

6 specs
Category
Diver
Field
Diameter
41mm
38mm
Thickness
14mm
10.8mm
Lug-to-Lug
48mm
44.9mm
Material
316L Stainless Steel
316L Heat-treated Stainless Steel
Water Resistance
300m
100m

Crystal & Dial

4 specs
Crystal Shape
Flat
Double-domed
AR Coating
Inner
Underside
Dial Color
Anthracite
Black
Lume
None
Super-LumiNova

Movement

4 specs
Caliber
Sellita SW200-1
Sellita SW300
Beat Rate
28,800 vph
4 vph
Power Reserve
40h
42h
Complications
None
GMT, Chronograph, Date

Pricing

1 specs
MSRP
$2,100
$1,775

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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.

Oak & Oscar The Olmsted ExP-01

Owners widely praise Oak & Oscar The Olmsted ExP-01 for its exceptional finishing, comfortable bracelet, and smooth movement. The dial designs are a frequent point of admiration, with specific appreciation for the white, navy, and gray variants, as well as the orange seconds hand. The watch is considered fairly priced at around $1.5k and is noted for its versatility and "soul." On balance, owners rate Oak & Oscar The Olmsted ExP-01 highly for its overall quality, design, and the brand's customer service.

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