Side by side

Bremont Altitude ChronographvsTissot Le Locle Open Heart

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

Altitude Chronograph
BremontAltitude Chronograph
MSRP $6,300
Le Locle Open Heart
TissotLe Locle Open Heart
MSRP $995

At a glance

10 of 29 specs differ
Diameter
Altitude Chronograph42mm
Le Locle Open Heart39.3mm
Power Reserve
Altitude Chronograph40h
Le Locle Open Heart80h
Water Resistance
Altitude Chronograph100m
Le Locle Open Heart30m
MSRP
Altitude Chronograph$6,300
Le Locle Open Heart$995

Full specifications

Case

6 specs
Diameter
42mm
39.3mm
Thickness
14.7mm
9.75mm
Lug-to-Lug
39.3mm
Lug Width
14.7mm
19mm
Material
316L Stainless Steel (DLC coated)
Stainless Steel
Water Resistance
100m
30m

Crystal & Dial

1 specs
Indices
Applied
Roman

Movement

2 specs
Caliber
BE-50AE
11 1/2'''
Power Reserve
40h
80h

Pricing

1 specs
MSRP
$6,300
$995

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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.

Tissot Le Locle Open Heart

Owners widely praise the Tissot Le Locle Open Heart for its elegant aesthetic, featuring a guilloché dial and Roman numerals, and appreciate its practical 80-hour power reserve and Nivachron hairspring. The watch is also noted for offering dual bracelet and strap options, along with a see-through case back. However, one owner flags negative community feedback regarding the comfort of the synthetic leather strap. Overall, owners rate the Tissot Le Locle Open Heart highly for its attractive design and impressive technical specifications at its price point.

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