Side by side

Sheffield 1AvsShiro Kara RCF Stormtrooper

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

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1A
Sheffield1A
MSRP $223
RCF Stormtrooper
Shiro KaraRCF Stormtrooper
MSRP $448
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Buy from Shiro Kara ↗
Buy used on eBay ↗

At a glance

11 of 29 specs differ
Diameter
1A40mm
RCF Stormtrooper39mm
Power Reserve
1A—
RCF Stormtrooper41h
Water Resistance
1A200m
RCF Stormtrooper100m
MSRP
1A$223
RCF Stormtrooper$448

Full specifications

Case

6 specs
Category
Diver
—
Diameter
40mm
39mm
Thickness
12.8mm
11.9mm
Lug-to-Lug
46mm
47.5mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
200m
100m

Crystal & Dial

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

Movement

2 specs
Caliber
Seiko NH35A
Seiko NH35
Power Reserve
—
41h

Pricing

1 specs
MSRP
$223
$448
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