Side by side

Bremont Altitude 39 DatevsTissot Gentleman Open Heart

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

Altitude 39 Date
BremontAltitude 39 Date
MSRP $4,250
Gentleman Open Heart
TissotGentleman Open Heart
MSRP $1,025

At a glance

13 of 29 specs differ
Diameter
Altitude 39 Date39mm
Gentleman Open Heart40mm
Power Reserve
Altitude 39 Date40h
Gentleman Open Heart80h
Water Resistance
Altitude 39 Date100m
Gentleman Open Heart100m
MSRP
Altitude 39 Date$4,250
Gentleman Open Heart$1,025

Full specifications

Case

6 specs
Category
Pilot
Chronograph
Diameter
39mm
40mm
Thickness
11.19mm
11.5mm
Lug-to-Lug
40mm
Lug Width
20mm
21mm
Material
316L Stainless Steel (DLC coated)
Stainless Steel

Crystal & Dial

4 specs
Crystal Shape
Flat
Domed
AR Coating
Inner
Yes
Indices
Applied
Indexes
Lume
None
Super-LumiNova ®

Movement

2 specs
Caliber
BE-92AE
Power Reserve
40h
80h

Pricing

1 specs
MSRP
$4,250
$1,025

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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 39 Date

Owners and reviewers widely praise the Bremont Altitude 39 Date as a sleek, legible, and everyday-suited pilot's watch, noting its comfortable 39mm 904L steel case and clean dial design. The La Joux-Perret G100 movement is recognized for its 68-hour power reserve and smooth winding feel. Some owners note the bracelet lacks micro-adjustments. On balance, the consensus is that the Bremont Altitude 39 Date is highly regarded for its refined finishing and wearability at 39mm.

Tissot Gentleman Open Heart

Owners widely praise the Tissot Gentleman Open Heart for its versatile dressy-sporty aesthetic and elegant sunburst dial finish, with one owner preferring its less shiny blue dial compared to other versions. The watch offers excellent fit and bracelet adjustability, and its modified Powermatic 80 movement achieves COSC-level accuracy of -3 to +5 seconds/day, though the seconds hand movement is slightly less smooth at 6 movements per second. However, one owner reported the watch arrived non-functional, requiring a return due to an inoperable movement. On balance, owners rate the Tissot Gentleman Open Heart highly for its aesthetic appeal and accurate timekeeping, despite a reported instance of a faulty movement.

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