Side by side
Alkin Watches Model OnevsSheffield 1A SCR II Blue
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
10 of 29 specs differDiameter
Model One42mm
1A SCR II Blue40mm
Power Reserve
Model One—
1A SCR II Blue40h
Water Resistance
Model One100m
1A SCR II Blue200m
MSRP
Model One—
1A SCR II Blue$278
Full specifications
Case
5 specsDiameter
42mm
40mm
Thickness
13.25mm
13mm
Lug-to-Lug
50mm
48mm
Lug Width
22mm
20mm
Water Resistance
100m
200m
Crystal & Dial
2 specsDial Color
Green
Blue
Lume
Super-LumiNova BGW9
None
Movement
2 specsCaliber
Seiko NH35A
Seiko NH35
Power Reserve
—
40h
Pricing
1 specsMSRP
—
—
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