Side by side
Borealis Watch Co. Caloura 300mvsMarathon GSAR (Government Search & Rescue) Diver's Automatic
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
9 of 29 specs differDiameter
Caloura 300m42mm
GSAR (Government Search & Rescue) Diver's Automatic41mm
Power Reserve
Caloura 300m40h
GSAR (Government Search & Rescue) Diver's Automatic40h
Water Resistance
Caloura 300m300m
GSAR (Government Search & Rescue) Diver's Automatic300m
MSRP
Caloura 300m$275
GSAR (Government Search & Rescue) Diver's Automatic$2,100
Full specifications
Case
5 specsDiameter
42mm
41mm
Thickness
13.9mm
14mm
Lug-to-Lug
44.20mm
48mm
Lug Width
22mm
20mm
Material
Stainless Steel
316L Stainless Steel
Crystal & Dial
2 specsDial Color
Black
Anthracite
Lume
BGW9
None
Movement
1 specsCaliber
NH35
Sellita SW200-1
Pricing
1 specsMSRP
$275
$2,100
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