Side by side

Tudor Black BayvsUgly Watch Co 100m GMT Sport Diver

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

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Black Bay
TudorBlack Bay
100m GMT Sport Diver
Ugly Watch Co100m GMT Sport Diver
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Buy used on eBay ↗
Buy from Ugly Watch Co ↗
Buy used on eBay ↗

At a glance

11 of 29 specs differ
Diameter
Black Bay41mm
100m GMT Sport Diver42mm
Power Reserve
Black Bay70h
100m GMT Sport Diver41h
Water Resistance
Black Bay200m
100m GMT Sport Diver100m
MSRP
Black Bay—
100m GMT Sport Diver—

Full specifications

Case

8 specs
Category
Diver
—
Diameter
41mm
42mm
Thickness
14.7mm
12.6mm
Lug-to-Lug
46mm
—
Lug Width
22mm
20mm
Finish
Polished + Satin
Brushed and polished
Water Resistance
200m
100m
Caseback
Engraved
Solid

Crystal & Dial

1 specs
Dial Color
Black
Red

Movement

2 specs
Caliber
MT5602
Seiko NH34A
Power Reserve
70h
41h
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