Side by side
Sheffield 1AvsSpinnaker Tesei Forged Carbon
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
11 of 29 specs differDiameter
1A40mm
Tesei Forged Carbon43mm
Power Reserve
1A—
Tesei Forged Carbon40h
Water Resistance
1A200m
Tesei Forged Carbon300m
MSRP
1A$223
Tesei Forged Carbon$550
Full specifications
Case
6 specsDiameter
40mm
43mm
Thickness
12.8mm
16mm
Lug-to-Lug
46mm
52mm
Lug Width
20mm
22mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
200m
300m
Crystal & Dial
2 specsDial Color
White/Blue
White
Lume
Swiss blue lume
None
Movement
2 specsCaliber
Seiko NH35A
SII NH35A
Power Reserve
—
40h
Pricing
1 specsMSRP
$223
$550
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