Side by side
Beaufort SeatrekkervsTudor Black Bay GMT
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
20 of 29 specs differDiameter
Seatrekker39mm
Black Bay GMT41mm
Power Reserve
Seatrekker42h
Black Bay GMT70h
Water Resistance
Seatrekker200m
Black Bay GMT200m
MSRP
Seatrekker—
Black Bay GMT$5,275
Full specifications
Case
7 specsCategory
—
GMT
Diameter
39mm
41mm
Thickness
12.55mm
14.6mm
Lug-to-Lug
—
46mm
Lug Width
—
22mm
Finish
Brushed and polished
Polished + Satin
Caseback
Solid
Solid screw-down
Crystal & Dial
5 specsCrystal Shape
Flat
—
AR Coating
Inner
—
Dial Color
Blue
Black
Indices
Applied
—
Lume
C3 Super-LumiNova applied to indices and hands for low-light readability.
None
Movement
7 specsCaliber
Miyota 9039
MT5652
Beat Rate
28,800 vph
0 vph
Power Reserve
42h
70h
Jewels
25
0
Hacking
Yes
No
Hand-winding
Yes
No
Complications
None
GMT
Pricing
1 specsMSRP
—
$5,275
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