Side by side

Christopher Ward C65 Dune AeolianvsFortis Marinemaster M-40

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
Marinemaster M-40
FortisMarinemaster M-40
MSRP $3,520

At a glance

12 of 29 specs differ
Diameter
C65 Dune Aeolian40mm
Marinemaster M-4040mm
Power Reserve
C65 Dune Aeolian38h
Marinemaster M-4038h
Water Resistance
C65 Dune Aeolian150m
Marinemaster M-40300m
MSRP
C65 Dune Aeolian$1,415
Marinemaster M-40$3,520

Full specifications

Case

6 specs
Category
Diver
Thickness
11.7mm
13mm
Lug-to-Lug
43.6mm
Lug Width
20mm
21mm
Material
Bronze
Stainless Steel
Water Resistance
150m
300m

Crystal & Dial

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

Movement

2 specs
Caliber
SW200-1
Sellita SW220-1
Beat Rate
4 vph
28,800 vph

Pricing

1 specs
MSRP
$1,415
$3,520

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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.

Fortis Marinemaster M-40

Owners praise the Fortis Amber Orange for its gorgeous appearance and strong wrist presence, noting its crazy lume and 70-hour power reserve. The Doxa SUB 300T, described as having a superb, eccentric design with a highly legible dial and functional no-decompression bezel, uses an ETA 2824-2 movement. However, the SUB 300T's 42.5mm case wears large and its 14mm thickness is not ideal for dress shirts, though it boasts 1,200m water resistance. On balance, owners appreciate the Fortis Amber Orange for its striking aesthetics and impressive lume.

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