Side by side

Longines FLAGSHIP HERITAGE MOONPHASEvsLongines HYDROCONQUEST

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

FLAGSHIP HERITAGE MOONPHASE
LonginesFLAGSHIP HERITAGE MOONPHASE
MSRP $3,450
HYDROCONQUEST
LonginesHYDROCONQUEST
MSRP $2,000

At a glance

16 of 29 specs differ
Diameter
FLAGSHIP HERITAGE MOONPHASE38.5mm
HYDROCONQUEST41mm
Power Reserve
FLAGSHIP HERITAGE MOONPHASE72h
HYDROCONQUEST72h
Water Resistance
FLAGSHIP HERITAGE MOONPHASE30m
HYDROCONQUEST300m
MSRP
FLAGSHIP HERITAGE MOONPHASE$3,450
HYDROCONQUEST$2,000

Full specifications

Case

8 specs
Category
Moonphase
Diver
Diameter
38.5mm
41mm
Thickness
12.4mm
11.9mm
Lug-to-Lug
46.3mm
53.5mm
Lug Width
19mm
21mm
Material
Stainless Steel
Ceramic
Water Resistance
30m
300m
Caseback
Screw-down case back

Crystal & Dial

4 specs
AR Coating
Both sides
Dial Color
Ivory
Green
Indices
Applied indexes
Lume
Super-LumiNova
None

Movement

3 specs
Caliber
L899.5
L888.5
Beat Rate
25,200 vph
0 vph
Complications
Hours, minutes, seconds, moon phase display and date indicated by small hand at
None

Pricing

1 specs
MSRP
$3,450
$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.

Longines FLAGSHIP HERITAGE MOONPHASE

The Longines Flagship Heritage Moonphase is widely praised for its elegant aesthetic, balanced midnight blue dial with dauphine hands and wedge indices, and the L899.5 movement's 72-hour power reserve. Owners appreciate its value, classy integrated moonphase complication with a night blue background and shiny silver stars, and comfortable 38.5mm case size with good finishing, fitting well on smaller wrists. However, reviewers and owners note its minimal 30-meter water resistance, a 3 o'clock crown that appears undersized, and a thickness of 12.4mm, which some find hinders its dress watch suitability and ability to slip under a cuff, though others find it wearable. Some also consider the design overly traditional and the rehaut depth excessive. On balance, owners and reviewers rate the Longines Flagship Heritage Moonphase highly for its elegant design and value proposition at its price point.

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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