Side by side
Marathon OSAR-D (Original SAR with Date) Automatic 46mmvsDecima Gatekeeper
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
12 of 29 specs differDiameter
OSAR-D (Original SAR with Date) Automatic 46mm46mm
Gatekeeper38mm
Power Reserve
OSAR-D (Original SAR with Date) Automatic 46mm40h
Gatekeeper42h
Water Resistance
OSAR-D (Original SAR with Date) Automatic 46mm300m
Gatekeeper50m
MSRP
OSAR-D (Original SAR with Date) Automatic 46mm$2,500
Gatekeeper$599
Full specifications
Case
7 specsCategory
Diver
—
Diameter
46mm
38mm
Thickness
13mm
9.9mm
Lug-to-Lug
43.5mm
46mm
Lug Width
18mm
—
Material
316L Stainless Steel
Stainless Steel
Water Resistance
300m
50m
Crystal & Dial
2 specsAR Coating
Inner
Yes
Dial Color
Black
White
Movement
2 specsCaliber
Sellita SW220-1
Miyota 9039
Power Reserve
40h
42h
Pricing
1 specsMSRP
$2,500
$599
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