Side by side

Bremont Altitude 39 DatevsBoldr Expedition Enigmath

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
Expedition Enigmath
BoldrExpedition Enigmath
MSRP $599

At a glance

12 of 29 specs differ
Diameter
Altitude 39 Date39mm
Expedition Enigmath41mm
Power Reserve
Altitude 39 Date40h
Expedition Enigmath42h
Water Resistance
Altitude 39 Date100m
Expedition Enigmath200m
MSRP
Altitude 39 Date$4,250
Expedition Enigmath$599

Full specifications

Case

6 specs
Category
Pilot
Tool
Diameter
39mm
41mm
Thickness
11.19mm
12.8mm
Lug-to-Lug
47.5mm
Material
316L Stainless Steel (DLC coated)
Stainless Steel
Water Resistance
100m
200m

Crystal & Dial

3 specs
AR Coating
Inner
Yes
Dial Color
Silver
Enigmath Coconino
Lume
None
Super-LumiNova

Movement

2 specs
Caliber
BE-92AE
Miyota 9039,
Power Reserve
40h
42h

Pricing

1 specs
MSRP
$4,250
$599

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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.

Boldr Expedition Enigmath

The watch's slide rule function is a convenient feature, allowing for calculations on the go. One potential drawback is the use of the Japanese Miyota 9039 movement, which may be a trade-off for some buyers. Reviewers disagree on whether the quick 'on the fly' adjust bracelet is a more significant advantage than the watch's sapphire crystal for durability and scratch resistance.

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