Side by side

Bremont Altitude Perpetual Calendar GMTvsSeiko Presage Classic Series

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
Presage Classic Series
SeikoPresage Classic Series
MSRP $950

At a glance

14 of 29 specs differ
Diameter
Altitude Perpetual Calendar GMT42mm
Presage Classic Series40.2mm
Power Reserve
Altitude Perpetual Calendar GMT40h
Presage Classic Series72h
Water Resistance
Altitude Perpetual Calendar GMT
Presage Classic Series100m
MSRP
Altitude Perpetual Calendar GMT$38,450
Presage Classic Series$950

Full specifications

Case

7 specs
Category
GMT
Dress
Diameter
42mm
40.2mm
Thickness
12.65mm
13mm
Lug-to-Lug
46mm
Lug Width
22mm
20mm
Material
Titanium
Stainless Steel
Water Resistance
100m

Crystal & Dial

3 specs
Crystal Shape
Flat
Curved
AR Coating
Inner
Anti-reflective coating on inner surface
Dial Color
Blue
Black

Movement

3 specs
Caliber
6R55
Power Reserve
40h
72h
Jewels
25
24

Pricing

1 specs
MSRP
$38,450
$950

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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.

Seiko Presage Classic Series

The Seiko Presage Classic Series is widely praised for its sublime dial and hand finishing, with textured dials inspired by Japanese silk fabrics and aesthetically pleasing curved hands. Owners and reviewers highlight the clean dials with applied indices and the robust elegance of the watches, noting the comfortable wearability of the cases, particularly the 36mm variants, and the practical 100m water resistance. The 6R movements provide a 72-hour power reserve, a notable improvement for the price point. However, the pin and collar bracelet system is criticized by one owner as subpar for the cost, and the quoted accuracy of the 6R55 movement is -15/+25 seconds per day, though one forum user reports better performance. The exhibition caseback's finish is described as entry-industrial, and the open-heart and 24-hour subdial configurations may not appeal to all.

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