Side by side
Sheffield 1A 38vsSheffield GMT
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
6 of 29 specs differDiameter
1A 3838mm
GMT40mm
Power Reserve
1A 38—
GMT—
Water Resistance
1A 38200m
GMT200m
MSRP
1A 38$238
GMT—
Full specifications
Case
4 specsCategory
Diver
GMT
Diameter
38mm
40mm
Thickness
12.8mm
13mm
Lug-to-Lug
46mm
48mm
Movement
1 specsCaliber
Seiko NH35
Seiko NH34
Pricing
1 specsMSRP
$238
—
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