Side by side

Borealis Watch Co. JamantavsSeiko Prospex Sea Seiko Diver’s Watch 60th Anniversary Limited Edition

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

Jamanta
Borealis Watch Co.Jamanta
MSRP $415

At a glance

11 of 29 specs differ
Diameter
Jamanta42.50mm
Prospex Sea Seiko Diver’s Watch 60th Anniversary Limited Edition40mm
Power Reserve
Jamanta40h
Prospex Sea Seiko Diver’s Watch 60th Anniversary Limited Edition72h
Water Resistance
Jamanta300m
Prospex Sea Seiko Diver’s Watch 60th Anniversary Limited Edition300m
MSRP
Jamanta$415
Prospex Sea Seiko Diver’s Watch 60th Anniversary Limited Edition$1,400

Full specifications

Case

4 specs
Diameter
42.50mm
40mm
Thickness
13.30mm
13mm
Lug-to-Lug
50.40mm
46.4mm
Lug Width
22mm
20mm

Crystal & Dial

3 specs
Crystal Shape
Flat
Curved
AR Coating
Inner
Anti-reflective coating on inner surface
Lume
BGW9
LumiBrite on hands, index(es) and bezel

Movement

3 specs
Caliber
Miyota 9015
6R55
Power Reserve
40h
72h
Jewels
25
24

Pricing

1 specs
MSRP
$415
$1,400

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