Side by side

Boldr Globetrotter GMTvsTudor Black Bay One 31

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

Globetrotter GMT
BoldrGlobetrotter GMT
MSRP $469
Black Bay One 31
TudorBlack Bay One 31
MSRP $4,600

At a glance

14 of 29 specs differ
Diameter
Globetrotter GMT40mm
Black Bay One 3131mm
Power Reserve
Globetrotter GMT40h
Black Bay One 3150h
Water Resistance
Globetrotter GMT200m
Black Bay One 31100m
MSRP
Globetrotter GMT$469
Black Bay One 31$4,600

Full specifications

Case

8 specs
Category
GMT
Diver
Diameter
40mm
31mm
Thickness
12.7mm
9.5mm
Lug-to-Lug
48mm
46mm
Lug Width
20mm
17mm
Finish
Brushed and polished
Polished + Satin
Water Resistance
200m
100m
Caseback
Solid
Solid screw-down

Crystal & Dial

3 specs
AR Coating
Yes
Inner
Dial Color
GMT Banff
Anthracite
Lume
Super-LumiNova
None

Movement

2 specs
Caliber
Seiko NH34 GMT
MT5201
Power Reserve
40h
50h

Pricing

1 specs
MSRP
$469
$4,600

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What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Boldr Globetrotter GMT

The Boldr Globetrotter GMT is praised for its legibility and finishing, featuring applied Super-LumiNova indices and sword hands on a matte black or sunburst blue dial. Reviewers highlight the ceramic bezel's sharp city markings and tight, smooth ratcheting action. The 44mm 316L stainless steel case exhibits a non-traditional design with radial and vertical brushing.

Tudor Black Bay One 31

Owners widely report the Tudor Black Bay One 31's polished case and bracelet scratch easily, though its wearability under gloves and robust movement are praised. Some desire more micro-adjustment options on the clasp, and a lack of contrast between the silver dial and hands is noted. The 31mm size may be a consideration for daily wear due to its 50-hour power reserve. On balance, owners and reviewers appreciate the Tudor Black Bay One 31 for its comfortable wearability and robust movement, despite concerns about case scratching and clasp adjustability.

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