Mark Time Watches M 6vsSeiko Prospex Land Mechanical

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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.

Mark Time Watches M 6 at true scale

M 6

Seiko Prospex Land Mechanical at true scale

Prospex Land Mechanical

Diameter

39mm

39.5mm

Lug-to-Lug

45mm

lowest

46.4mm

Thickness

10.6mm

lowest

12.7mm

Water Resistance

100m

200m

highest

Power Reserve

n/a

72h

MSRP

$495

lowest

$995

Movement

Miyota 9039

Seiko 6R55

Case

4 specs
Diameter
39mm
39.5mm
Thickness
10.6mm
12.7mm
Lug-to-Lug
45mm
46.4mm
Water Resistance
100m
200m

Crystal & Dial

3 specs
AR Coating
n/a
Anti-reflective coating on inner surface
Dial Color
n/a
n/a
Lume
None
LumiBrite on hands and index(es)

Movement

3 specs
Caliber
Miyota 9039
Seiko 6R55
Power Reserve
n/a
72h
Jewels
0
24

Pricing

1 specs
MSRP
$495
$995
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Reviews

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Mark Time Watches M 6

The Mark Time Watches M 6 features a 39mm case and a Miyota 9039 automatic movement. Owners note the deep black dial creates a floating effect for the hands, and the second hand extends to the dial's edge. Praised are the absence of a ghost date position, a minimalist logo, and functional bezel screws. However, some owners report that telling time to the nearest minute or two is challenging. Overall, owners appreciate the M 6 for its thoughtful design details like the full-length second hand and bezel screws, despite minor legibility concerns.

From video reviewers

The watch's lume is praised as a significant strength. Reviewers noted issues with the watch's finishing.

Seiko Prospex Land Mechanical

Owners widely praise the Seiko Prospex Land Mechanical for its unique style, dial texture, and color, with many finding its 39.5mm case size appealing and suitable for daily wear. Some owners, however, report the watch feels big, thick, and heavy, potentially uncomfortable for smaller wrists, and a few consider its price high for the features offered. One owner noted its accuracy and durability during water submersion, while another specifically praised its useful day-date complication. Overall, owners rate the Seiko Prospex Land Mechanical highly for its aesthetic appeal and versatile design, with the case dimensions and unique style being the primary drivers of satisfaction.