Side by side

Sheffield 1AvsZero West RAF-C (1940)

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

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1A
Sheffield1A
MSRP $223
RAF-C (1940)
Zero WestRAF-C (1940)
MSRP $2,750
Buy from Sheffield ↗
Buy used on eBay ↗
Buy from Zero West ↗
Buy used on eBay ↗

At a glance

11 of 29 specs differ
Diameter
1A40mm
RAF-C (1940)44mm
Power Reserve
1A—
RAF-C (1940)38h
Water Resistance
1A200m
RAF-C (1940)100m
MSRP
1A$223
RAF-C (1940)$2,750

Full specifications

Case

6 specs
Category
Diver
—
Diameter
40mm
44mm
Thickness
12.8mm
14.1mm
Lug-to-Lug
46mm
49.6mm
Lug Width
20mm
22mm
Water Resistance
200m
100m

Crystal & Dial

2 specs
Dial Color
White/Blue
Black
Lume
Swiss blue lume
None

Movement

2 specs
Caliber
Seiko NH35A
ETA 2824
Power Reserve
—
38h

Pricing

1 specs
MSRP
$223
$2,750
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