Side by side

Glycine Airman Worldtimer GMTvsMarathon GSAR (Government Search & Rescue) Diver's Automatic

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

Airman Worldtimer GMT
GlycineAirman Worldtimer GMT
MSRP $1,395
GSAR (Government Search & Rescue) Diver's Automatic
MarathonGSAR (Government Search & Rescue) Diver's Automatic
MSRP $2,100

At a glance

19 of 29 specs differ
Diameter
Airman Worldtimer GMT42mm
GSAR (Government Search & Rescue) Diver's Automatic41mm
Power Reserve
Airman Worldtimer GMT
GSAR (Government Search & Rescue) Diver's Automatic40h
Water Resistance
Airman Worldtimer GMT100m
GSAR (Government Search & Rescue) Diver's Automatic300m
MSRP
Airman Worldtimer GMT$1,395
GSAR (Government Search & Rescue) Diver's Automatic$2,100

Full specifications

Case

8 specs
Category
GMT
Diver
Diameter
42mm
41mm
Lug-to-Lug
48mm
Lug Width
22mm
20mm
Material
Stainless Steel
316L Stainless Steel
Finish
Brushed and polished
Water Resistance
100m
300m
Caseback
Solid

Crystal & Dial

4 specs
Crystal Shape
Flat
AR Coating
Inner
Dial Color
Black
Anthracite
Indices
Applied

Movement

6 specs
Caliber
RONDA 515.24H
Sellita SW200-1
Type
Quartz
Automatic
Beat Rate
28,800 vph
Power Reserve
40h
Jewels
1
25
Complications
Date, World Time
None

Pricing

1 specs
MSRP
$1,395
$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.

Glycine Airman Worldtimer GMT

Owners widely appreciate the Glycine Airman Worldtimer GMT for its comfortable 40mm size, attractive aesthetics, and value, particularly when found under $300. Some owners find the dual 12-hour and 24-hour dial and bezel useful for tracking three time zones, while others prefer a simpler 24-hour dial. One owner noted the GMT hand can be mistaken for the minute hand and that the ETA movement can have a misaligned GMT hand. On balance, owners value the Glycine Airman Worldtimer GMT for its comfortable wearability and strong value proposition.

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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