Side by side
Sheffield 1A 40mmvsSeiko Prospex Sea 1968 Heritage Diver's GMT Watch Limited Edition
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
12 of 29 specs differDiameter
1A 40mm40mm
Prospex Sea 1968 Heritage Diver's GMT Watch Limited Edition42mm
Power Reserve
1A 40mm40h
Prospex Sea 1968 Heritage Diver's GMT Watch Limited Edition72h
Water Resistance
1A 40mm200m
Prospex Sea 1968 Heritage Diver's GMT Watch Limited Edition300m
MSRP
1A 40mm$228
Prospex Sea 1968 Heritage Diver's GMT Watch Limited Edition$1,750
Full specifications
Case
5 specsCategory
—
Diver
Diameter
40mm
42mm
Thickness
13mm
13.3mm
Lug-to-Lug
48mm
48.6mm
Water Resistance
200m
300m
Crystal & Dial
3 specsAR Coating
Inner
Anti-reflective coating on inner surface
Dial Color
—
Black
Lume
None
LumiBrite on hands, index(es) and bezel
Movement
3 specsCaliber
Seiko NH35
6R54
Power Reserve
40h
72h
Jewels
25
24
Pricing
1 specsMSRP
$228
$1,750
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