Side by side
Borealis Watch Co. Caloura 300mvsMarathon MSAR (Medium Search & Rescue) Diver's Quartz
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
MSAR (Medium Search & Rescue) Diver's Quartz36mm
Power Reserve
Caloura 300m40h
MSAR (Medium Search & Rescue) Diver's Quartz40h
Water Resistance
Caloura 300m300m
MSAR (Medium Search & Rescue) Diver's Quartz300m
MSRP
Caloura 300m$275
MSAR (Medium Search & Rescue) Diver's Quartz$1,450
Full specifications
Case
5 specsDiameter
42mm
36mm
Thickness
13.9mm
18mm
Lug-to-Lug
44.20mm
—
Lug Width
22mm
18mm
Material
Stainless Steel
316L Stainless Steel
Crystal & Dial
1 specsLume
BGW9
None
Movement
2 specsCaliber
NH35
Swiss High-Torque Quartz
Type
Automatic
Quartz
Pricing
1 specsMSRP
$275
$1,450
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