Side by side

Marathon GSAR (Government Search & Rescue) Diver's AutomaticvsSugess Seestern Heritage S436-2 BB GMT

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
Seestern Heritage S436-2 BB GMT
SugessSeestern Heritage S436-2 BB GMT
MSRP $299

At a glance

12 of 29 specs differ
Diameter
GSAR (Government Search & Rescue) Diver's Automatic41mm
Seestern Heritage S436-2 BB GMT40mm
Power Reserve
GSAR (Government Search & Rescue) Diver's Automatic40h
Seestern Heritage S436-2 BB GMT35h
Water Resistance
GSAR (Government Search & Rescue) Diver's Automatic300m
Seestern Heritage S436-2 BB GMT10m
MSRP
GSAR (Government Search & Rescue) Diver's Automatic$2,100
Seestern Heritage S436-2 BB GMT$299

Full specifications

Case

5 specs
Category
Diver
GMT
Diameter
41mm
40mm
Thickness
14mm
12.2mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
300m
10m

Crystal & Dial

2 specs
Dial Color
Anthracite
Black
Lume
None
Tritium

Movement

4 specs
Caliber
Sellita SW200-1
Seiko NH34
Beat Rate
28,800 vph
3 vph
Power Reserve
40h
35h
Complications
None
GMT, Moonphase, Date

Pricing

1 specs
MSRP
$2,100
$299

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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.

Sugess Seestern Heritage S436-2 BB GMT

Owners widely praise the Sugess Seestern Heritage S436-2 BB GMT for its 39mm sizing, 12mm thinness, and light yet solid feel, with many appreciating its legibility due to the matte dial, clear crystal, and strong lume, though one owner flags the lume as a weak point. The case finishing is considered excellent, and the blue dial and satin finish are favorably compared to alternatives. Some owners report issues with a loose bezel, with others finding it improved after tuning, and one owner notes the seconds hand is too short. The bracelet clasp lacks sufficient micro-adjustment and screw pins are difficult to remove. On balance, owners rate the Sugess Seestern Heritage S436-2 BB GMT highly for its comfortable wearability and attractive finishing at the price.

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