Side by side

Hamilton Jazzmaster Chrono QuartzvsMarathon GSAR (Government Search & Rescue) Diver's Automatic

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

Jazzmaster Chrono Quartz
HamiltonJazzmaster Chrono Quartz
MSRP $1,075
GSAR (Government Search & Rescue) Diver's Automatic
MarathonGSAR (Government Search & Rescue) Diver's Automatic
MSRP $2,100

At a glance

11 of 29 specs differ
Diameter
Jazzmaster Chrono Quartz42mm
GSAR (Government Search & Rescue) Diver's Automatic41mm
Power Reserve
Jazzmaster Chrono Quartz40h
GSAR (Government Search & Rescue) Diver's Automatic40h
Water Resistance
Jazzmaster Chrono Quartz100m
GSAR (Government Search & Rescue) Diver's Automatic300m
MSRP
Jazzmaster Chrono Quartz$1,075
GSAR (Government Search & Rescue) Diver's Automatic$2,100

Full specifications

Case

7 specs
Category
Chronograph
Diver
Diameter
42mm
41mm
Thickness
12.13mm
14mm
Lug-to-Lug
46mm
48mm
Lug Width
22mm
20mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
100m
300m

Crystal & Dial

1 specs
Dial Color
Black
Anthracite

Movement

2 specs
Caliber
251.274
Sellita SW200-1
Type
Quartz
Automatic

Pricing

1 specs
MSRP
$1,075
$2,100

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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.

Hamilton Jazzmaster Chrono Quartz

Owners widely praise the Hamilton Jazzmaster Chrono Quartz for its excellent value, with some enthusiasts appreciating its unique styling. However, the open-heart design is a point of contention; some find it cluttered and prone to collecting dirt, while others report difficulty reading the time with it, particularly as eyesight declines. One owner notes the movement is not exceptional. On balance, owners consider the Hamilton Jazzmaster Chrono Quartz a superb deal, with its value being the primary draw.

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.

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