Side by side

Citizen Promaster Air A-TvsMarathon GSAR (Government Search & Rescue) Diver's Automatic

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

Promaster Air A-T
CitizenPromaster Air A-T
MSRP $581
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
Promaster Air A-T46mm
GSAR (Government Search & Rescue) Diver's Automatic41mm
Power Reserve
Promaster Air A-T40h
GSAR (Government Search & Rescue) Diver's Automatic40h
Water Resistance
Promaster Air A-T200m
GSAR (Government Search & Rescue) Diver's Automatic300m
MSRP
Promaster Air A-T$581
GSAR (Government Search & Rescue) Diver's Automatic$2,100

Full specifications

Case

7 specs
Category
Pilot
Diver
Diameter
46mm
41mm
Thickness
12mm
14mm
Lug-to-Lug
46mm
48mm
Lug Width
22mm
20mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
200m
300m

Crystal & Dial

1 specs
Dial Color
Green
Anthracite

Movement

2 specs
Caliber
E660
Sellita SW200-1
Type
Solar
Automatic

Pricing

1 specs
MSRP
$581
$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.

Citizen Promaster Air A-T

Owners widely praise the Citizen Promaster Eco-Drive for its value, reliability, and maintenance-free operation. Reviewers note the Citizen Promaster Air Automatic GMT is a large 44.5mm watch with a well-proportioned case and balanced dial, powered by an in-house automatic GMT movement. Concerns are raised about the unframed date window and uninspired case design on the GMT. Some owners find certain models, like the 36mm Eco-Drive, to be very small. The Promaster Air Automatic GMT is priced at $1,125 USD. On balance, owners and reviewers highlight the Promaster's strong value and reliability as its primary strengths.

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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