Side by side
Sheffield 1A 38 dive 38mm, 3-hand date (rotating dive bezel, perforated rubber strap)vsSpinnaker Cahill Automatic
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 38 dive 38mm, 3-hand date (rotating dive bezel, perforated rubber strap)38mm
Cahill Automatic42mm
Power Reserve
1A 38 dive 38mm, 3-hand date (rotating dive bezel, perforated rubber strap)—
Cahill Automatic40h
Water Resistance
1A 38 dive 38mm, 3-hand date (rotating dive bezel, perforated rubber strap)200m
Cahill Automatic200m
MSRP
1A 38 dive 38mm, 3-hand date (rotating dive bezel, perforated rubber strap)$223
Cahill Automatic$350
Full specifications
Case
5 specsDiameter
38mm
42mm
Thickness
12.8mm
13.7mm
Lug-to-Lug
46mm
51mm
Lug Width
20mm
22mm
Material
Stainless Steel
316L Stainless Steel
Crystal & Dial
1 specsDial Color
Blue
Green
Movement
2 specsCaliber
Seiko NH35
SII NH35A
Power Reserve
—
40h
Pricing
1 specsMSRP
$223
$350
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