Side by side
Sheffield 1A 38vsTudor Black Bay
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 3838mm
Black Bay41mm
Power Reserve
1A 38—
Black Bay70h
Water Resistance
1A 38200m
Black Bay200m
MSRP
1A 38$238
Black Bay—
Full specifications
Case
5 specsDiameter
38mm
41mm
Thickness
12.8mm
14.7mm
Lug Width
20mm
22mm
Finish
Brushed and polished
Polished + Satin
Caseback
Solid
Engraved
Crystal & Dial
1 specsDial Color
Blue
Black
Movement
2 specsCaliber
Seiko NH35
MT5602
Power Reserve
—
70h
Pricing
1 specsMSRP
$238
—
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