Side by side
Borealis Watch Co. JamantavsSeiko Prospex Sea PADI Special Edition
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
11 of 29 specs differDiameter
Jamanta42.50mm
Prospex Sea PADI Special Edition41.7mm
Power Reserve
Jamanta40h
Prospex Sea PADI Special Edition41h
Water Resistance
Jamanta300m
Prospex Sea PADI Special Edition200m
MSRP
Jamanta$415
Prospex Sea PADI Special Edition$650
Full specifications
Case
5 specsDiameter
42.50mm
41.7mm
Thickness
13.30mm
12.3mm
Lug-to-Lug
50.40mm
49.5mm
Lug Width
22mm
20mm
Water Resistance
300m
200m
Crystal & Dial
2 specsCrystal
Sapphire
Hardlex
Lume
BGW9
LumiBrite on hands, index(es) and bezel
Movement
3 specsCaliber
Miyota 9015
4R35
Power Reserve
40h
41h
Jewels
25
23
Pricing
1 specsMSRP
$415
$650
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