Borealis Watch Co. Sea Storm MK2vsSeiko Prospex Sea 1965 Heritage Diver's Watch PADI Special Edition
lug2lug doesn't sell watches. Buy links open the brand's or seller's own site. Some links are affiliate links: lug2lug may earn a commission at no extra cost to you. Disclosures
Measurements
Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.
Sea Storm MK2
Prospex Sea 1965 Heritage Diver's Watch PADI Special Edition
Diameter
41.5mm
40mm
Lug-to-Lug
48.5mm
46.4mm
lowest
Thickness
14.2mm
13mm
lowest
Water Resistance
300m
300m
Power Reserve
n/a
72h
MSRP
$475
lowest
$1,550
Movement
Seiko NH38
Seiko 6R55
Case
3 specsDiameter
41.5mm
40mm
Thickness
14.15mm
13mm
Lug-to-Lug
48.5mm
46.4mm
Crystal & Dial
3 specsCrystal Shape
n/a
Curved
AR Coating
n/a
Anti-reflective coating on inner surface
Lume
BGW9
LumiBrite on hands, index(es) and bezel
Movement
3 specsCaliber
Seiko NH38
Seiko 6R55
Power Reserve
0h
72h
Jewels
0
24
Pricing
1 specsMSRP
$475
$1,550
Similar watches
Matched to the watches above on size, movement, style and price, microbrands first. Open any one to dig in.
DiscussionNot started
Also compared
Comparisons nearby in the catalog: alternatives to the watches above paired against the matchup.