Side by side
Marathon OSAR-D (Original SAR with Date) Automatic 41mmvsOak & Oscar The Humboldt GMT Titanium
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
16 of 29 specs differDiameter
OSAR-D (Original SAR with Date) Automatic 41mm41mm
The Humboldt GMT Titanium39.5mm
Power Reserve
OSAR-D (Original SAR with Date) Automatic 41mm40h
The Humboldt GMT Titanium56 hoursh
Water Resistance
OSAR-D (Original SAR with Date) Automatic 41mm300m
The Humboldt GMT Titanium200m
MSRP
OSAR-D (Original SAR with Date) Automatic 41mm$1,800
The Humboldt GMT Titanium$2,950
Full specifications
Case
8 specsCategory
Diver
GMT
Diameter
41mm
39.5mm
Thickness
13mm
12.5mm
Lug-to-Lug
43.5mm
46.8mm
Lug Width
18mm
20mm
Material
316L Stainless Steel
Grade 5 Titanium
Water Resistance
300m
200m
Caseback
Solid
Solid screw-down
Crystal & Dial
4 specsCrystal Shape
Flat
Double-domed
AR Coating
Inner
Underside
Dial Color
Black
Green
Lume
None
Super-LumiNova
Movement
3 specsCaliber
Sellita SW220-1
Sellita SW330
Beat Rate
28,800 vph
4 vph
Power Reserve
40h
56 hoursh
Pricing
1 specsMSRP
$1,800
$2,950
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