Side by side
Sheffield 1A diver ~40mm 3-hand, Arabic numerals (12/3/6/9), no datevsSpinnaker Cahill Automatic
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
10 of 29 specs differDiameter
1A diver ~40mm 3-hand, Arabic numerals (12/3/6/9), no date40mm
Cahill Automatic42mm
Power Reserve
1A diver ~40mm 3-hand, Arabic numerals (12/3/6/9), no date—
Cahill Automatic40h
Water Resistance
1A diver ~40mm 3-hand, Arabic numerals (12/3/6/9), no date200m
Cahill Automatic200m
MSRP
1A diver ~40mm 3-hand, Arabic numerals (12/3/6/9), no date$238
Cahill Automatic$350
Full specifications
Case
5 specsDiameter
40mm
42mm
Thickness
12.8mm
13.7mm
Lug-to-Lug
46mm
51mm
Lug Width
20mm
22mm
Material
Stainless Steel
316L Stainless Steel
Crystal & Dial
2 specsDial Color
White/Blue
Green
Lume
Swiss blue lume
None
Movement
2 specsCaliber
Seiko NH35A
SII NH35A
Power Reserve
—
40h
Pricing
1 specsMSRP
$238
$350
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