Side by side

Christopher Ward C65 Dune AeolianvsLongines HYDROCONQUEST GMT

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

C65 Dune Aeolian
Christopher WardC65 Dune Aeolian
MSRP $1,415
HYDROCONQUEST GMT
LonginesHYDROCONQUEST GMT
MSRP $3,350

At a glance

15 of 29 specs differ
Diameter
C65 Dune Aeolian40mm
HYDROCONQUEST GMT41mm
Power Reserve
C65 Dune Aeolian38h
HYDROCONQUEST GMT40h
Water Resistance
C65 Dune Aeolian150m
HYDROCONQUEST GMT300m
MSRP
C65 Dune Aeolian$1,415
HYDROCONQUEST GMT$3,350

Full specifications

Case

7 specs
Category
Diver
Diameter
40mm
41mm
Thickness
11.7mm
12.9mm
Lug-to-Lug
43.6mm
49.4mm
Lug Width
20mm
21mm
Material
Bronze
Stainless Steel
Water Resistance
150m
300m

Crystal & Dial

3 specs
Dial Color
Brown
Green
Indices
Roman numerals
Applied
Lume
SLN Light Old Radium BL Grade X1
None

Movement

4 specs
Caliber
SW200-1
L844.5
Beat Rate
4 vph
28,800 vph
Power Reserve
38h
40h
Jewels
26
25

Pricing

1 specs
MSRP
$1,415
$3,350

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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.

Christopher Ward C65 Dune Aeolian

The Christopher Ward C65 Dune Aeolian is widely praised for its unique, textured dial and comfortable 38mm case size, with reviewers noting its excellent finishing for the price and the Bader bracelet as a standout feature. Owners appreciate the clean, date-free dial and the wavy pattern, with one comparing it favorably to Grand Seiko. The bronze variant develops a warm patina over time. Accuracy is reported as COSC-certified and around +4 seconds per day by one owner, while another notes a rating of up to 20 seconds per day. The time-only models feature a Sellita SW200-1 movement with a 38-hour power reserve, though the GMT variant uses a Sellita SW330 with a 56-hour power reserve. Some owners expressed concerns about the sandy texture becoming tiresome or the grey dial blending with the case, and one reviewer found the dial details and applied logo "a bit much." Customer service experiences were mixed, with one owner reporting a frustrating battle and long repair turnaround.

From video reviewers

The watch's unique textured dial is a notable strength, giving it an organic design that sets it apart from other field watches. A weakness is the somewhat lacking lume performance, which may be a drawback for those who prioritize nighttime legibility. Reviewers disagree on the movement's power reserve, with some considering 38 hours sufficient and others finding it too short.

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.

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