Side by side

Maen Grand Tonneau Ultra ThinvsGrand Seiko SBGE307

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
SBGE307
Grand SeikoSBGE307
MSRP $11,500

At a glance

13 of 29 specs differ
Diameter
Grand Tonneau Ultra Thin34mm
SBGE30744.5mm
Power Reserve
Grand Tonneau Ultra Thin40h
SBGE30772h
Water Resistance
Grand Tonneau Ultra Thin50m
SBGE307200m
MSRP
Grand Tonneau Ultra Thin$1,519
SBGE307$11,500

Full specifications

Case

7 specs
Category
Dress
GMT
Diameter
34mm
44.5mm
Thickness
6.4mm
14.9mm
Lug-to-Lug
50mm
Lug Width
23mm
Material
316L Stainless Steel
Titanium
Water Resistance
50m
200m

Crystal & Dial

2 specs
AR Coating
Inner
Yes
Dial Color
MNL.04
Black

Movement

3 specs
Caliber
9R66
Type
Automatic
Spring Drive
Power Reserve
40h
72h

Pricing

1 specs
MSRP
$1,519
$11,500

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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.

Grand Seiko SBGE307

The Grand Seiko SBGE307 is praised for its unique "lion's mane" textured ivory dial and angular, modern titanium case featuring Zaratsu polishing. Reviewers highlight the aggressive, claw-shaped lugs and the contrasting hairline finishing, as well as the brownish-red GMT hand as a notable accent. The watch is powered by the 9R66 Spring Drive movement, offering a 72-hour power reserve and accuracy rated at +/- 15 seconds per month by one source, and +/- 1 second per day by another. It is priced at $10,700 USD and offers 200m water resistance. On balance, reviewers find the Grand Seiko SBGE307 to be a striking timepiece distinguished by its textured dial and sharp case finishing.

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