Side by side

Maen Grand Tonneau Ultra ThinvsGruppo Gamma Field III

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

Grand Tonneau Ultra Thin
MaenGrand Tonneau Ultra Thin
MSRP $1,519
Field III
Gruppo GammaField III
MSRP $439

At a glance

13 of 29 specs differ
Diameter
Grand Tonneau Ultra Thin34mm
Field III40mm
Power Reserve
Grand Tonneau Ultra Thin40h
Field III41h
Water Resistance
Grand Tonneau Ultra Thin50m
Field III200m
MSRP
Grand Tonneau Ultra Thin$1,519
Field III$439

Full specifications

Case

7 specs
Category
Dress
Field
Diameter
34mm
40mm
Thickness
6.4mm
14mm
Lug-to-Lug
48.5mm
Lug Width
22mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
50m
200m

Crystal & Dial

3 specs
AR Coating
Inner
Yes
Dial Color
MNL.04
Black
Lume
None
Super-LumiNova

Movement

2 specs
Caliber
Seiko Instruments NH38A
Power Reserve
40h
41h

Pricing

1 specs
MSRP
$1,519
$439

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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.

Maen Grand Tonneau Ultra Thin

Owners widely report the Maen Grand Tonneau Ultra Thin features a La Joux-Perret D101 manual-wind movement and a double-layer enamel dial. Some owners criticize the bracelet design and find the dial too small and lacking indices. One owner describes the Maen Grand Tonneau Ultra Thin as "hideous with a good movement." On balance, owners are divided on the Maen Grand Tonneau Ultra Thin, with some appreciating its movement and dial while others find its design unappealing.

Gruppo Gamma Field III

The watch's 200m water resistance is a notable strength. A weakness is the use of the Seiko NH34A GMT movement, which might be considered less desirable than some other options due to its relatively lower grade compared to other movements in this price range.

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