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Sheffield 1AvsXicorr Watches FSO M20.21

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

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1A
Sheffield1A
MSRP $223
FSO M20.21
Xicorr WatchesFSO M20.21
MSRP $631
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Buy used on eBay ↗
Buy from Xicorr Watches ↗
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At a glance

10 of 29 specs differ
Diameter
1A40mm
FSO M20.2142mm
Power Reserve
1A—
FSO M20.2142h
Water Resistance
1A200m
FSO M20.21100m
MSRP
1A$223
FSO M20.21$631

Full specifications

Case

5 specs
Category
Diver
—
Diameter
40mm
42mm
Thickness
12.8mm
11.7mm
Lug Width
20mm
22mm
Water Resistance
200m
100m

Crystal & Dial

2 specs
Dial Color
White/Blue
Black
Lume
Swiss blue lume
SuperLuminova

Movement

2 specs
Caliber
Seiko NH35A
Seagull ST2130
Power Reserve
—
42h

Pricing

1 specs
MSRP
$223
$631
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