Side by side
Tudor Black Bay GMT S&GvsWilliam Wood International Association of Fire
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
21 of 29 specs differDiameter
Black Bay GMT S&G41mm
International Association of Fire41mm
Power Reserve
Black Bay GMT S&G70h
International Association of Fire40h
Water Resistance
Black Bay GMT S&G200m
International Association of Fire100m
MSRP
Black Bay GMT S&G$5,825
International Association of Fire$820
Full specifications
Case
8 specsCategory
GMT
Diver
Thickness
14.6mm
15mm
Lug-to-Lug
46mm
49mm
Lug Width
22mm
20mm
Material
Stainless Steel
316L Stainless Steel
Finish
Polished + Satin
Brushed and polished
Water Resistance
200m
100m
Caseback
Engraved
Solid
Crystal & Dial
5 specsCrystal
Sapphire
Domed Sapphire
Crystal Shape
—
Flat
AR Coating
—
Inner
Dial Color
Black
Standard
Indices
—
Applied
Movement
7 specsCaliber
MT5652
Seiko NH35
Beat Rate
0 vph
28,800 vph
Power Reserve
70h
40h
Jewels
0
25
Hacking
No
Yes
Hand-winding
No
Yes
Complications
GMT
None
Pricing
1 specsMSRP
$5,825
$820
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