Side by side

Sheffield 1AvsTudor Black Bay

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

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1A
Sheffield1A
MSRP $223
Black Bay
TudorBlack Bay
Buy from Sheffield ↗
Buy used on eBay ↗
Buy from Tudor ↗
Buy used on eBay ↗

At a glance

10 of 29 specs differ
Diameter
1A40mm
Black Bay41mm
Power Reserve
1A—
Black Bay70h
Water Resistance
1A200m
Black Bay200m
MSRP
1A$223
Black Bay—

Full specifications

Case

5 specs
Diameter
40mm
41mm
Thickness
12.8mm
14.7mm
Lug Width
20mm
22mm
Finish
Brushed and polished
Polished + Satin
Caseback
Solid
Engraved

Crystal & Dial

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

Movement

2 specs
Caliber
Seiko NH35A
MT5602
Power Reserve
—
70h

Pricing

1 specs
MSRP
$223
—
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