Side by side

Bremont Altitude ChronographvsHamilton American Classic Intra-Matic Auto Chrono

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

Altitude Chronograph
BremontAltitude Chronograph
MSRP $6,300

At a glance

9 of 29 specs differ
Diameter
Altitude Chronograph42mm
American Classic Intra-Matic Auto Chrono40mm
Power Reserve
Altitude Chronograph40h
American Classic Intra-Matic Auto Chrono60h
Water Resistance
Altitude Chronograph100m
American Classic Intra-Matic Auto Chrono100m
MSRP
Altitude Chronograph$6,300
American Classic Intra-Matic Auto Chrono$2,645

Full specifications

Case

5 specs
Diameter
42mm
40mm
Thickness
14.7mm
14.45mm
Lug-to-Lug
46mm
Lug Width
14.7mm
20mm
Material
316L Stainless Steel (DLC coated)
Stainless Steel

Crystal & Dial

1 specs
Dial Color
Silver
White

Movement

2 specs
Caliber
BE-50AE
H-31
Power Reserve
40h
60h

Pricing

1 specs
MSRP
$6,300
$2,645

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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 Chronograph

Owners note faint marks on the case sides and back, with minor wear and creasing on the strap. Reviewers flag the "DANGER EJECTION SEAT" wordmark on the dial as a divisive design choice that disrupts the MB series' usual stark tone, though they praise the improved smoothness and click precision of the Roto Click rotating bezel. On balance, the Bremont Altitude Chronograph elicits mixed reactions, with design elements like the dial text being a point of contention for reviewers.

Hamilton American Classic Intra-Matic Auto Chrono

Owners widely praise the Hamilton American Classic Intra-Matic Auto Chrono for its historically significant retro design, clean panda dial, and value, with many noting its comfortable wearability and how it garners compliments. Reviewers and owners alike highlight its attractive dial with well-placed sub-registers and polished indices, evoking a vintage charm. Some owners find the 14mm+ case thickness substantial, though others note it wears smaller than expected and fits under shirt cuffs. The H-31 movement's rotor is described as spinny by one owner, and accuracy figures range from +3 to +8 seconds per day, with one owner noting the OEM strap is utilitarian. On balance, owners and reviewers rate the Hamilton American Classic Intra-Matic Auto Chrono highly for its vintage aesthetic and value proposition.

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