Side by side
Sheffield 1A SCR II BluevsSeiko Prospex Marinemaster Marinemaster 1965 Heritage Diver's Watch
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 SCR II Blue40mm
Prospex Marinemaster Marinemaster 1965 Heritage Diver's Watch39.5mm
Power Reserve
1A SCR II Blue40h
Prospex Marinemaster Marinemaster 1965 Heritage Diver's Watch45h
Water Resistance
1A SCR II Blue200m
Prospex Marinemaster Marinemaster 1965 Heritage Diver's Watch200m
MSRP
1A SCR II Blue$278
Prospex Marinemaster Marinemaster 1965 Heritage Diver's Watch$2,800
Full specifications
Case
4 specsCategory
—
Diver
Diameter
40mm
39.5mm
Thickness
13mm
12.3mm
Lug-to-Lug
48mm
47.2mm
Crystal & Dial
4 specsCrystal Shape
Flat
Box
AR 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
6L37
Power Reserve
40h
45h
Jewels
25
26
Pricing
1 specsMSRP
—
$2,800
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