Side by side

Maen Grand Tonneau Ultra ThinvsMaen Skymaster 38 MKIII

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
Skymaster 38 MKIII
MaenSkymaster 38 MKIII
MSRP $1,679

At a glance

8 of 29 specs differ
Diameter
Grand Tonneau Ultra Thin34mm
Skymaster 38 MKIII38mm
Power Reserve
Grand Tonneau Ultra Thin40h
Skymaster 38 MKIII40h
Water Resistance
Grand Tonneau Ultra Thin50m
Skymaster 38 MKIII100m
MSRP
Grand Tonneau Ultra Thin$1,519
Skymaster 38 MKIII$1,679

Full specifications

Case

4 specs
Category
Dress
Chronograph
Diameter
34mm
38mm
Thickness
6.4mm
13.4mm
Water Resistance
50m
100m

Crystal & Dial

2 specs
Crystal
Sapphire
Domed Sapphire
Dial Color
MNL.04
M6.1.1

Movement

1 specs
Caliber
Sellita SW510mb

Pricing

1 specs
MSRP
$1,519
$1,679

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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.

Maen Skymaster 38 MKIII

The Maen Skymaster 38 MKIII is praised for its refined case, impressive fit and finish, and compact 38mm size, which offers a premium feel with a sharp, legible dial and well-executed applied markers. Reviewers note the sweet winding action and the vintage-inspired brown sunburst dial with dauphine hands and lollipop register pointers. The watch is powered by a manual-wind Sellita SW510Mb movement with a 63-hour power reserve. Accuracy figures vary, with one reviewer reporting +7 seconds per day and another stating a tolerance of +/-15 seconds per day. On balance, owners and reviewers appreciate the Maen Skymaster 38 MKIII for its refined vintage-inspired design and compact dimensions at its price point.

From video reviewers

The 38mm case size is a key strength for the Maen Skymaster 38 MKIII. Reviewers noted the excellent quality-price ratio for a Swiss-made chronograph.

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