Side by side

Longines HYDROCONQUEST GMTvsLongines MASTER COLLECTION

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

HYDROCONQUEST GMT
LonginesHYDROCONQUEST GMT
MSRP $3,350
MASTER COLLECTION
LonginesMASTER COLLECTION
MSRP $2,850

At a glance

20 of 29 specs differ
Diameter
HYDROCONQUEST GMT41mm
MASTER COLLECTION40mm
Power Reserve
HYDROCONQUEST GMT40h
MASTER COLLECTION72h
Water Resistance
HYDROCONQUEST GMT300m
MASTER COLLECTION30m
MSRP
HYDROCONQUEST GMT$3,350
MASTER COLLECTION$2,850

Full specifications

Case

7 specs
Category
Diver
Diameter
41mm
40mm
Thickness
12.9mm
10.8mm
Lug-to-Lug
49.4mm
46.8mm
Finish
Brushed and polished
Water Resistance
300m
30m
Caseback
Solid
Transparent case back with sapphire crystal

Crystal & Dial

5 specs
Crystal Shape
Flat
AR Coating
Inner
Dial Color
Green
Silver
Indices
Applied
Painted Arabic numerals
Lume
None
Super-LumiNova

Movement

7 specs
Caliber
L844.5
L897.2
Beat Rate
28,800 vph
25,200 vph
Power Reserve
40h
72h
Jewels
25
0
Hacking
Yes
No
Hand-winding
Yes
No
Complications
None
Hours, minutes, seconds, month and date by annual calendar

Pricing

1 specs
MSRP
$3,350
$2,850

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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 HYDROCONQUEST GMT

Owners widely praise the Longines HYDROCONQUEST GMT for its excellent finishing, smooth winding action, and overall value, with some finding its build quality and colorways superior to higher-priced competitors. Reviewers and owners alike note its robustness as a traveler's dive watch with a true GMT movement. Some owners find the round markers at 6 and 9 disrupt dial symmetry, and the GMT hour markers are described as tiny and difficult to read. The date wheel can be mismatched on certain dial colors, and the bracelet clasp is noted as sharp by one reviewer. While some owners wish for a smaller case size, others find the 41mm comfortable. The bezel action is flagged as having bounce-back by one owner, though the brushed finish effectively hides wear. Overall, owners and reviewers rate the Longines HYDROCONQUEST GMT highly for its robust build and excellent value proposition.

Longines MASTER COLLECTION

Owners widely praise the Longines Master Collection for its excellent fit and finish, attractive dial aesthetics with engraved numerals and textures, and overall value, particularly for complications like chronographs and moonphases at its price point. Reviewers note the refined design and product quality, with some finding the case appears less thick than its stated height. Owners report a buttery winding feel and appreciate the 72-hour power reserve. However, some owners find the case finishing homogenous and the traditional styling overshadowed by modern trends. Specific models draw criticism for subdial placement cutting off numerals, a lack of bracelet micro-adjustments, uninspiring crown and pushers, and 30m water resistance being on the light side. One owner reported a broken moon phase setting mechanism, while another felt the dial and chapter ring looked cheap.

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