Side by side

Sheffield GMTvsTudor Black Bay

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

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GMT
SheffieldGMT
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
GMT40mm
Black Bay41mm
Power Reserve
GMT—
Black Bay70h
Water Resistance
GMT200m
Black Bay200m
MSRP
GMT—
Black Bay—

Full specifications

Case

7 specs
Category
GMT
Diver
Diameter
40mm
41mm
Thickness
13mm
14.7mm
Lug-to-Lug
48mm
46mm
Lug Width
20mm
22mm
Finish
Brushed and polished
Polished + Satin
Caseback
Solid
Engraved

Crystal & Dial

1 specs
Dial Color
Blue
Black

Movement

2 specs
Caliber
Seiko NH34
MT5602
Power Reserve
—
70h
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