Side by side

Bremont Altitude Perpetual Calendar GMTvsPeren One

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
One
PerenOne
MSRP $449

At a glance

12 of 29 specs differ
Diameter
Altitude Perpetual Calendar GMT42mm
One40.6mm
Power Reserve
Altitude Perpetual Calendar GMT40h
One
Water Resistance
Altitude Perpetual Calendar GMT
One200m
MSRP
Altitude Perpetual Calendar GMT$38,450
One$449

Full specifications

Case

7 specs
Category
GMT
Diameter
42mm
40.6mm
Thickness
12.65mm
12mm
Lug-to-Lug
46mm
Lug Width
22mm
Material
Titanium
Stainless Steel
Water Resistance
200m

Crystal & Dial

1 specs
Dial Color
Blue
Dark Blue

Movement

3 specs
Caliber
Seiko VK64
Type
Automatic
Quartz
Power Reserve
40h

Pricing

1 specs
MSRP
$38,450
$449

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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.

Peren One

The Peren One chronograph is praised for its successful blend of minimalist and '80s retro styles, featuring a clean bi-compax dial design and thoughtful case execution. It utilizes the reliable Seiko VK64 mecha-quartz movement, offering mechanical chronograph functions. The 40.6mm steel case provides 200m water resistance and a balanced, tool-first aesthetic with mixed finishing, complemented by the absence of a date and running seconds for a tidy dial. On balance, reviewers rate the Peren One highly for its retro-modern aesthetic and the value offered by its mecha-quartz movement.

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