Side by side

Bremont Altitude Perpetual Calendar GMTvsMarathon GPQ-D (Officer's Quartz with Date) Field Watch

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
GPQ-D (Officer's Quartz with Date) Field Watch
MarathonGPQ-D (Officer's Quartz with Date) Field Watch
MSRP $650

At a glance

11 of 29 specs differ
Diameter
Altitude Perpetual Calendar GMT42mm
GPQ-D (Officer's Quartz with Date) Field Watch36mm
Power Reserve
Altitude Perpetual Calendar GMT40h
GPQ-D (Officer's Quartz with Date) Field Watch40h
Water Resistance
Altitude Perpetual Calendar GMT
GPQ-D (Officer's Quartz with Date) Field Watch30m
MSRP
Altitude Perpetual Calendar GMT$38,450
GPQ-D (Officer's Quartz with Date) Field Watch$650

Full specifications

Case

7 specs
Category
GMT
Field
Diameter
42mm
36mm
Thickness
12.65mm
11mm
Lug-to-Lug
44mm
Lug Width
22mm
16mm
Material
Titanium
316L Stainless Steel
Water Resistance
30m

Crystal & Dial

1 specs
Dial Color
Blue
Black

Movement

2 specs
Caliber
Swiss High-Torque Quartz (3J, EOL)
Type
Automatic
Quartz

Pricing

1 specs
MSRP
$38,450
$650

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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.

Marathon GPQ-D (Officer's Quartz with Date) Field Watch

Marathon GPQ-D (Officer's Quartz with Date) Field Watch owners praise its tritium tubes, Mil-spec designation, and scratch-resistant case finish, with some finding the 36mm size practical for field use. However, some owners criticize its perceived overpriced nature, thick case, and squared-off lugs, while others point to the composite case material, 30m water resistance, and unbranded movement as drawbacks. On balance, owners are divided on the Marathon GPQ-D (Officer's Quartz with Date) Field Watch, with opinions split on its value and design features.

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