Side by side

Maen Grand Tonneau Ultra ThinvsSeiko Diamond Collection

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
Diamond Collection
SeikoDiamond Collection
MSRP $525

At a glance

9 of 29 specs differ
Diameter
Grand Tonneau Ultra Thin34mm
Diamond Collection30mm
Power Reserve
Grand Tonneau Ultra Thin40h
Diamond Collection40h
Water Resistance
Grand Tonneau Ultra Thin50m
Diamond Collection50m
MSRP
Grand Tonneau Ultra Thin$1,519
Diamond Collection$525

Full specifications

Case

5 specs
Diameter
34mm
30mm
Thickness
6.4mm
6.3mm
Lug-to-Lug
36.5mm
Lug Width
5mm
Material
316L Stainless Steel
Stainless Steel

Crystal & Dial

1 specs
Dial Color
MNL.04
Black

Movement

2 specs
Caliber
7N01
Type
Automatic
Quartz

Pricing

1 specs
MSRP
$1,519
$525

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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.

Seiko Diamond Collection

The Seiko Diamond Collection is widely praised by owners for its stunning beauty, featuring 14 diamonds, a mother-of-pearl dial, and a two-tone color scheme. Reviewers note its dial is difficult to capture in photos and that its fit and finish suggest excellent value, especially when purchased on sale. One owner describes the gold plating on the bracelet showing some fading from desk work, and its gold tone may not suit all tastes. Overall, owners rate the Seiko Diamond Collection highly for its striking aesthetics and perceived value.

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