Side by side

Bremont Altitude Perpetual Calendar GMTvsMaen Grand Tonneau Ultra Thin

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

Altitude Perpetual Calendar GMT
BremontAltitude Perpetual Calendar GMT
MSRP $38,450
Grand Tonneau Ultra Thin
MaenGrand Tonneau Ultra Thin
MSRP $1,519

At a glance

8 of 29 specs differ
Diameter
Altitude Perpetual Calendar GMT42mm
Grand Tonneau Ultra Thin34mm
Power Reserve
Altitude Perpetual Calendar GMT40h
Grand Tonneau Ultra Thin40h
Water Resistance
Altitude Perpetual Calendar GMT
Grand Tonneau Ultra Thin50m
MSRP
Altitude Perpetual Calendar GMT$38,450
Grand Tonneau Ultra Thin$1,519

Full specifications

Case

6 specs
Category
GMT
Dress
Diameter
42mm
34mm
Thickness
12.65mm
6.4mm
Lug Width
22mm
Material
Titanium
316L Stainless Steel
Water Resistance
50m

Crystal & Dial

1 specs
Dial Color
Blue
MNL.04

Pricing

1 specs
MSRP
$38,450
$1,519

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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.

Bremont Altitude Perpetual Calendar GMT

The Bremont Altitude Perpetual Calendar GMT is a highly exclusive piece, with one owner noting its $44,000 price point raises questions about its target audience and suggesting it may be a limited production showpiece. Reviewers highlight its refined Trip-Tick case, now featuring softer curves, a 42mm diameter, and a 12.23mm thickness in grade 2 titanium, though the oversized crowns are flagged as a potential drawback. Overall, owners and reviewers acknowledge the Bremont Altitude Perpetual Calendar GMT as a distinctive, albeit niche, high-complication offering with a notable case refinement.

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.

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