Side by side

Tudor MonarchvsGruppo Gamma Field III GMT

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

Monarch
TudorMonarch
MSRP $5,875
Field III GMT
Gruppo GammaField III GMT
MSRP $459

At a glance

20 of 29 specs differ
Diameter
Monarch39mm
Field III GMT40mm
Power Reserve
Monarch65h
Field III GMT41h
Water Resistance
Monarch100m
Field III GMT200m
MSRP
Monarch$5,875
Field III GMT$459

Full specifications

Case

8 specs
Category
GMT
Diameter
39mm
40mm
Thickness
11.9mm
14mm
Lug-to-Lug
46mm
48.5mm
Lug Width
20mm
22mm
Finish
Polished + Satin
Brushed and polished
Water Resistance
100m
200m
Caseback
Solid screw-down
Solid

Crystal & Dial

4 specs
Crystal Shape
Flat
AR Coating
Yes
Dial Color
Champagne
Black
Lume
None
Super-LumiNova

Movement

7 specs
Caliber
MT5662-2U
Seiko Instruments NH38A
Beat Rate
0 vph
28,800 vph
Power Reserve
65h
41h
Jewels
0
25
Hacking
No
Yes
Hand-winding
No
Yes
Complications
None
GMT

Pricing

1 specs
MSRP
$5,875
$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 Monarch

The Tudor Monarch is praised for its crisp case finishing, solid H-link bracelet with T-fit clasp, and a 39mm size that wears well, though its eclectic neoclassical dial design is noted. It features a METAS-certified Master Chronometer movement with a 65-hour power reserve, visible through a display case back. The watch has a vintage-inspired dial with a unique champagne color and California layout, though it lacks lume and its modern, angular 39mm case doesn't wear smaller than its dimensions suggest. Its 11.9mm thickness is noted as a bit disappointing, but faceted case sides and box sapphire crystals contribute to a slender wearing experience. On balance, reviewers praise the Tudor Monarch for its sharp case finishing and Master Chronometer movement at its price point.

Gruppo Gamma Field III GMT

Owners praise the Gruppo Gamma Field III GMT for its look and value, with specific mentions of its sandwich dial and comfortable OEM straps. One owner notes incredible quality for the price across their Gruppo Gamma watches. The watch features a 40mm brushed stainless steel case, box sapphire crystal, and a Seiko NH34A movement with a 41-hour power reserve and stated accuracy of -20~+40 s/day. Some find the lack of a date window a drawback for a GMT, and question its differentiation from other NH34-powered watches. On balance, owners and reviewers find the Gruppo Gamma Field III GMT to be a good value with quality construction for its price point.

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