Side by side

Bremont Altitude Perpetual Calendar GMTvsHamilton Jazzmaster Gent Quartz

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
Jazzmaster Gent Quartz
HamiltonJazzmaster Gent Quartz
MSRP $745

At a glance

10 of 29 specs differ
Diameter
Altitude Perpetual Calendar GMT42mm
Jazzmaster Gent Quartz40mm
Power Reserve
Altitude Perpetual Calendar GMT40h
Jazzmaster Gent Quartz40h
Water Resistance
Altitude Perpetual Calendar GMT
Jazzmaster Gent Quartz50m
MSRP
Altitude Perpetual Calendar GMT$38,450
Jazzmaster Gent Quartz$745

Full specifications

Case

7 specs
Category
GMT
Dress
Diameter
42mm
40mm
Thickness
12.65mm
10.2mm
Lug-to-Lug
46mm
Lug Width
22mm
20mm
Material
Titanium
Stainless Steel
Water Resistance
50m

Movement

2 specs
Caliber
F06.111
Type
Automatic
Quartz

Pricing

1 specs
MSRP
$38,450
$745

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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.

Hamilton Jazzmaster Gent Quartz

Owners widely praise the Hamilton Jazzmaster Gent Quartz for its dressier, unique aesthetic, with specific admiration for the dark, iridescent dial and the machine-work on the minute markers. The 40mm size is considered suitable for smaller wrists, though lug-to-lug measurements are debated. Some owners find the open-heart dial busy and difficult to read due to silver lines resembling hands, and the skeleton version is also noted for excessive branding. The H-20-S movement in the skeleton model is thought to have a 42-hour power reserve. Overall, owners appreciate the Hamilton Jazzmaster Gent Quartz for its distinctive mid-century modern design and detailed finishing.

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