Side by side

Christopher Ward C65 Dune AeolianvsMarathon GSAR (Government Search & Rescue) Diver's Automatic

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
GSAR (Government Search & Rescue) Diver's Automatic
MarathonGSAR (Government Search & Rescue) Diver's Automatic
MSRP $2,100

At a glance

14 of 29 specs differ
Diameter
C65 Dune Aeolian40mm
GSAR (Government Search & Rescue) Diver's Automatic41mm
Power Reserve
C65 Dune Aeolian38h
GSAR (Government Search & Rescue) Diver's Automatic40h
Water Resistance
C65 Dune Aeolian150m
GSAR (Government Search & Rescue) Diver's Automatic300m
MSRP
C65 Dune Aeolian$1,415
GSAR (Government Search & Rescue) Diver's Automatic$2,100

Full specifications

Case

6 specs
Category
Diver
Diameter
40mm
41mm
Thickness
11.7mm
14mm
Lug-to-Lug
43.6mm
48mm
Material
Bronze
316L Stainless Steel
Water Resistance
150m
300m

Crystal & Dial

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

Movement

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

Pricing

1 specs
MSRP
$1,415
$2,100

Follow this matchup

Get a note when Christopher Ward C65 Dune Aeolian vs Marathon GSAR (Government Search & Rescue) Diver's Automatic gets more votes, a community discussion, or a price drop. No account needed.

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.

Marathon GSAR (Government Search & Rescue) Diver's Automatic

The Marathon GSAR (Government Search & Rescue) Diver's Automatic is widely praised for its legibility, comfort, and exceptional tritium illumination, with reviewers highlighting its utilitarian, military-equipment feel and a 41mm case size considered ideal. Owners appreciate its grippy bezel and the 300 meters of water resistance provided by the screw-down crown, deeming it a solid value for a Swiss-made tool watch. Some owners report quality control issues, with one user needing to warranty two watches, and another notes the GSAR wears taller than other models, leading to occasional bumping. The reliable ETA 2824-A2 movement is a consistent feature. Overall, owners and reviewers rate the Marathon GSAR (Government Search & Rescue) Diver's Automatic highly for its bright tritium lume and robust, no-nonsense tool watch design.

Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.