Side by side

Tudor Black Bay GMTvsGruppo Gamma Field III GMT Date

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

Black Bay GMT
TudorBlack Bay GMT
MSRP $5,275
Field III GMT Date
Gruppo GammaField III GMT Date
MSRP $459

At a glance

17 of 29 specs differ
Diameter
Black Bay GMT41mm
Field III GMT Date40mm
Power Reserve
Black Bay GMT70h
Field III GMT Date41h
Water Resistance
Black Bay GMT200m
Field III GMT Date200m
MSRP
Black Bay GMT$5,275
Field III GMT Date$459

Full specifications

Case

5 specs
Diameter
41mm
40mm
Thickness
14.6mm
14mm
Lug-to-Lug
46mm
48.5mm
Finish
Polished + Satin
Brushed and polished
Caseback
Solid screw-down
Solid

Crystal & Dial

4 specs
Crystal Shape
Flat
AR Coating
Yes
Indices
Applied
Lume
None
Super-LumiNova

Movement

7 specs
Caliber
MT5652
Seiko Instruments NH38A
Beat Rate
0 vph
28,800 vph
Power Reserve
70h
41h
Jewels
0
25
Hacking
No
Yes
Hand-winding
No
Yes
Complications
GMT
GMT, Date

Pricing

1 specs
MSRP
$5,275
$459

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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.

Tudor Black Bay GMT

The Tudor Black Bay GMT is widely praised for its in-house movement offering local jumping GMT functionality, its impressive case finishing, and its vintage-inspired, drop-dead good looks. Reviewers highlight its strong value and consider it a quintessential sport watch for travelers. Some enthusiasts find its 15mm thickness divisive, though beveled edges visually reduce its perceived size. Overall, reviewers rate the Tudor Black Bay GMT highly for its excellent design and travel functionality at its price point.

Gruppo Gamma Field III GMT Date

Owners widely praise the Gruppo Gamma Field III GMT Date for its awesome looks, quality, and good value. The watch features a 40mm brushed 316L stainless steel case, box sapphire crystal, and 200m water resistance, powered by a Seiko NH34A movement. Some reviewers note the NH34A movement's accuracy can range from -20~+40 seconds per day, though one reviewer reported +5 seconds per day with a regulated movement. The dial's dense layout with Arabic numerals can be overwhelming for some, and one owner found the size unsuitable for smaller wrists. On balance, owners rate the Gruppo Gamma Field III GMT Date highly for its impressive finishing and toolish design at its price point.

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