Side by side
Borealis Watch Co. Sea Storm MK2 GMTvsMarathon TSAR (Tritium 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
Sea Storm MK2 GMT41.50mm
TSAR (Tritium Search & Rescue) Diver's Quartz46mm
Power Reserve
Sea Storm MK2 GMT40h
TSAR (Tritium Search & Rescue) Diver's Quartz40h
Water Resistance
Sea Storm MK2 GMT300m
TSAR (Tritium Search & Rescue) Diver's Quartz300m
MSRP
Sea Storm MK2 GMT$415
TSAR (Tritium Search & Rescue) Diver's Quartz$1,550
Full specifications
Case
5 specsDiameter
41.50mm
46mm
Thickness
14.15mm
14mm
Lug-to-Lug
48.50mm
48mm
Lug Width
20mm
20mm
Material
Stainless Steel
316L Stainless Steel
Crystal & Dial
1 specsLume
BGW9
None
Movement
2 specsCaliber
NH34
Swiss High-Torque Quartz
Type
Automatic
Quartz
Pricing
1 specsMSRP
$415
$1,550
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