Fortis Marinemaster M-44 DLCvsSpinnaker Dumas Automatic
lug2lug doesn't sell watches. Buy links open the brand's or seller's own site. Some links are affiliate links: lug2lug may earn a commission at no extra cost to you. Disclosures
Measurements
Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.

Marinemaster M-44 DLC

Dumas Automatic
Diameter
44mm
44mm
Lug-to-Lug
n/a
48mm
Thickness
14mm
lowest
15mm
Water Resistance
300m
300m
Power Reserve
38h
n/a
MSRP
$5,450
$239
lowest
Movement
Sellita SW220-1
Seiko NH35
Case
3 specsCrystal & Dial
1 specsMovement
4 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
Owners widely praise the Fortis Marinemaster M-44 DLC for its cohesive design, unique luminous dial effect, and impressive build and finishing. Reviewers highlight its stealthy, scratch-resistant DLC coating and comfortable wearability despite the 44mm case. One owner considers it a fantastic watch, feeling its value is underestimated. Some reviewers note a subtle color difference on the crown and screw between variants, and one points out the bezel action is less crisp than on a smaller sibling model, with the 21mm strap width limiting options. On balance, owners and reviewers rate the Fortis Marinemaster M-44 DLC highly for its robust construction and distinctive aesthetic.
The DLC coating is noted for its hardness and scratch resistance. The watch features 500m water resistance and a COSC-certified Kenissi Werk 11 movement with a 70-hour power reserve. Reviewers did not identify any shared weaknesses.
Owners widely praise the Spinnaker Dumas Automatic for its robust build quality, attractive textured blue dial, and excellent finishing for its price point. The watch is noted for its comfortable wearability, attributed to a short lug-to-lug distance, and owners report positive experiences with the Seiko NH35 movement. Some owners mention a mineral crystal instead of sapphire, a bracelet with a learning curve, and a crown that feels slightly small. Overall, owners rate the Spinnaker Dumas Automatic highly for its aesthetic appeal and solid construction at a fair price.
Similar watches
Matched to the watches above on size, movement, style and price, microbrands first. Open any one to dig in.
Also compared
Comparisons nearby in the catalog: alternatives to the watches above paired against the matchup.











