Side by side

Maen Grand Tonneau Ultra ThinvsYema Navygraf CMM.10

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
Navygraf CMM.10
YemaNavygraf CMM.10
MSRP $1,899

At a glance

10 of 29 specs differ
Diameter
Grand Tonneau Ultra Thin34mm
Navygraf CMM.1039mm
Power Reserve
Grand Tonneau Ultra Thin40h
Navygraf CMM.1040h
Water Resistance
Grand Tonneau Ultra Thin50m
Navygraf CMM.10100m
MSRP
Grand Tonneau Ultra Thin$1,519
Navygraf CMM.10$1,899

Full specifications

Case

6 specs
Category
Dress
Diver
Diameter
34mm
39mm
Thickness
6.4mm
11mm
Lug-to-Lug
46mm
Lug Width
19mm
Water Resistance
50m
100m

Crystal & Dial

2 specs
Crystal
Sapphire
Domed Sapphire
Dial Color
MNL.04
Standard

Movement

1 specs
Caliber
Yema CMM.10

Pricing

1 specs
MSRP
$1,519
$1,899

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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.

Yema Navygraf CMM.10

Owners widely report quality control concerns and suspect craftsmanship with the Yema Navygraf, with one user noting crooked text. A reviewer praised the Slim CMM.20 Limited Edition for its stylish, slim profile and classy finishing on a black lacquered enamel dial, though the audible micro-rotor spinning at its price point was a surprise. On balance, the consensus is that while the Yema Navygraf offers a stylish design, potential buyers should be aware of reported quality control issues.

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