Side by side
Sheffield 1A SCR II BluevsZero West RAF-C (1940)
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
9 of 29 specs differDiameter
1A SCR II Blue40mm
RAF-C (1940)44mm
Power Reserve
1A SCR II Blue40h
RAF-C (1940)38h
Water Resistance
1A SCR II Blue200m
RAF-C (1940)100m
MSRP
1A SCR II Blue$278
RAF-C (1940)$2,750
Full specifications
Case
5 specsDiameter
40mm
44mm
Thickness
13mm
14.1mm
Lug-to-Lug
48mm
49.6mm
Lug Width
20mm
22mm
Water Resistance
200m
100m
Crystal & Dial
1 specsDial Color
Blue
Black
Movement
2 specsCaliber
Seiko NH35
ETA 2824
Power Reserve
40h
38h
Pricing
1 specsMSRP
—
$2,750
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