Which is cheaper, the Bremont Altitude 39 Date or the Longines HYDROCONQUEST?

At MSRP the Longines HYDROCONQUEST is the cheaper of the two at $2,000, against $4,250 for the Bremont Altitude 39 Date — a $2,250 gap before any retailer discounting.

Which is bigger, the Bremont Altitude 39 Date or the Longines HYDROCONQUEST?

The Longines HYDROCONQUEST wears larger at 41mm versus 39mm for the Bremont Altitude 39 Date — a 2mm difference across the dial.

Which has better water resistance, the Bremont Altitude 39 Date or the Longines HYDROCONQUEST?

The Longines HYDROCONQUEST is rated to 300m versus 100m for the Bremont Altitude 39 Date.

Which has a longer power reserve, the Bremont Altitude 39 Date or the Longines HYDROCONQUEST?

The Longines HYDROCONQUEST carries a 72-hour power reserve against 40 hours on the Bremont Altitude 39 Date.

What movement does the Bremont Altitude 39 Date run compared to the Longines HYDROCONQUEST?

Both watches run automatic movements — the Bremont Altitude 39 Date uses the BE-92AE and the Longines HYDROCONQUEST uses the L888.5.

Side by side

Bremont Altitude 39 DatevsLongines HYDROCONQUEST

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

Bremont Altitude 39 Date

alt39-dt-ss-si-l-s

MSRP $4,250

Longines HYDROCONQUEST

L3.782.4.06.6

MSRP $2,000

At a glance

20 of 29 specs differ

Diameter

Altitude 39 Date39mm

HYDROCONQUEST41mm

Power Reserve

Altitude 39 Date40h

HYDROCONQUEST72h

Water Resistance

Altitude 39 Date100m

HYDROCONQUEST300m

MSRP

Altitude 39 Date$4,250

HYDROCONQUEST$2,000

Full specifications

Case

9 specs

Crystal & Dial

4 specs

Crystal Shape

Flat

—

AR Coating

Inner

—

Dial Color

Silver

Green

Indices

Applied

—

Movement

6 specs

Caliber

BE-92AE

L888.5

Beat Rate

28,800 vph

0 vph

Power Reserve

40h

72h

Jewels

Hacking

Yes

Hand-winding

Yes

Pricing

1 specs

MSRP

$4,250

$2,000

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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.

Longines HYDROCONQUEST

Owners widely praise the Longines Hydroconquest for its attractive sunburst blue dial and accurate timekeeping, with one owner reporting a loss of only 2 seconds per day. However, the bracelet is frequently criticized for lacking micro-adjustments and having pinch-prone links, and the screw-down crown is noted as inconvenient and difficult to operate by multiple owners. Some owners also flag the bezel action as ratchety with back play, and one owner found the lugs sharp and the overall design uncomfortable, leading them to sell the watch. On balance, owners appreciate the Longines Hydroconquest's aesthetic appeal and value, despite significant reservations about its bracelet and crown usability.

From video reviewers

The bezel action is praised for its smooth and precise rotation. Lume brightness is a shared weakness, found to be somewhat lacking. Reviewers disagreed on the watch's value proposition compared to alternatives.

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