Side by side
Tudor Black Bay 58 GMTvsUgly Watch Co 100m GMT Sport Diver
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
18 of 29 specs differDiameter
Black Bay 58 GMT39mm
100m GMT Sport Diver42mm
Power Reserve
Black Bay 58 GMT65h
100m GMT Sport Diver41h
Water Resistance
Black Bay 58 GMT200m
100m GMT Sport Diver100m
MSRP
Black Bay 58 GMT$5,525
100m GMT Sport Diver—
Full specifications
Case
7 specsCategory
GMT
—
Diameter
39mm
42mm
Thickness
12.8mm
12.6mm
Lug Width
12.8mm
20mm
Finish
Polished + Satin
Brushed and polished
Water Resistance
200m
100m
Caseback
Solid screw-down
Solid
Crystal & Dial
3 specsCrystal Shape
—
Flat
AR Coating
—
Inner
Dial Color
Black
Red
Movement
7 specsCaliber
MT5450-U
Seiko NH34A
Beat Rate
0 vph
28,800 vph
Power Reserve
65h
41h
Jewels
0
25
Hacking
No
Yes
Hand-winding
No
Yes
Complications
GMT
None
Pricing
1 specsMSRP
$5,525
—
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