Decima GatekeepervsMark Time Watches M 5
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Measurements
Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.

Gatekeeper

M 5
Diameter
38mm
36mm
Lug-to-Lug
46mm
42.5mm
lowest
Thickness
9.9mm
lowest
10.2mm
Water Resistance
50m
100m
highest
Power Reserve
42h
n/a
MSRP
$599
n/a
Movement
Miyota 9039
Miyota 9039
Case
5 specsCrystal & Dial
2 specsMovement
1 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
The Decima Gatekeeper is praised for its hypnotizing dial, with design elements that draw comparisons to the Ingenieur and Czapek. Owners note the watch features a Miyota 9039 automatic movement, a 38mm case, and 50m water resistance. On balance, owners rate the Decima Gatekeeper highly for its striking dial design.
The Mark Time Watches M 5 is praised for its minimalist, brutalist design and a dial that gives the hands a floating appearance. Specific positives include the absence of a ghost date position, a non-intrusive logo, and functional bezel screws, making it easy to tell the time despite its sparse dial. Overall, owners rate the Mark Time M 5 highly for its functional, minimalist design and clear legibility.
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