Side by side
Marathon GSAR (Government Search & Rescue) Diver's AutomaticvsSerket Watch Co Reef Mariana
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
11 of 29 specs differDiameter
GSAR (Government Search & Rescue) Diver's Automatic41mm
Reef Mariana40mm
Power Reserve
GSAR (Government Search & Rescue) Diver's Automatic40h
Reef Mariana—
Water Resistance
GSAR (Government Search & Rescue) Diver's Automatic300m
Reef Mariana200m
MSRP
GSAR (Government Search & Rescue) Diver's Automatic$2,100
Reef Mariana$449
Full specifications
Case
6 specsCategory
Diver
—
Diameter
41mm
40mm
Thickness
14mm
13.2mm
Lug-to-Lug
48mm
47.5mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
300m
200m
Crystal & Dial
2 specsDial Color
Anthracite
Orange
Lume
None
BGW9
Movement
2 specsCaliber
Sellita SW200-1
Seiko NH35
Power Reserve
40h
—
Pricing
1 specsMSRP
$2,100
$449
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