Side by side
Sheffield 1A SCR II BluevsSeiko Prospex Sea 1968 Heritage Diver's GMT
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
11 of 29 specs differDiameter
1A SCR II Blue40mm
Prospex Sea 1968 Heritage Diver's GMT42mm
Power Reserve
1A SCR II Blue40h
Prospex Sea 1968 Heritage Diver's GMT72h
Water Resistance
1A SCR II Blue200m
Prospex Sea 1968 Heritage Diver's GMT200m
MSRP
1A SCR II Blue$278
Prospex Sea 1968 Heritage Diver's GMT$1,500
Full specifications
Case
4 specsCategory
—
Diver
Diameter
40mm
42mm
Thickness
13mm
12.9mm
Lug-to-Lug
48mm
48.6mm
Crystal & Dial
3 specsAR Coating
Inner
Anti-reflective coating on inner surface
Dial Color
Blue
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
—
$1,500
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