Side by side
Sheffield GMTvsTudor Black Bay 58 925
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
17 of 29 specs differDiameter
GMT40mm
Black Bay 58 92539mm
Power Reserve
GMT—
Black Bay 58 92570h
Water Resistance
GMT200m
Black Bay 58 925200m
MSRP
GMT—
Black Bay 58 925$5,600
Full specifications
Case
6 specsCategory
GMT
Diver
Diameter
40mm
39mm
Thickness
13mm
12.7mm
Lug-to-Lug
48mm
46mm
Finish
Brushed and polished
Satin
Caseback
Solid
Solid screw-down
Crystal & Dial
4 specsCrystal Shape
Flat
—
AR Coating
Inner
—
Dial Color
Blue
Taupe
Indices
Applied
—
Movement
6 specsCaliber
Seiko NH34
MT5400
Beat Rate
28,800 vph
0 vph
Power Reserve
—
70h
Jewels
25
0
Hacking
Yes
No
Hand-winding
Yes
No
Pricing
1 specsMSRP
—
$5,600
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