Selten M1 MoonphasevsSeiko 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.

Selten M1 Moonphase at true scale

M1 Moonphase

Seiko Prospex Land Mechanical at true scale

Prospex Land Mechanical

Diameter

39mm

39.5mm

Lug-to-Lug

45.5mm

lowest

46.4mm

Thickness

11.4mm

lowest

12.7mm

Water Resistance

50m

200m

highest

Power Reserve

n/a

72h

MSRP

n/a

$995

Movement

Miyota 9015

Seiko 6R55

Case

4 specs
Diameter
39mm
39.5mm
Thickness
11.4mm
12.7mm
Lug-to-Lug
45.5mm
46.4mm
Water Resistance
50m
200m

Crystal & Dial

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

Movement

3 specs
Caliber
Miyota 9015
Seiko 6R55
Power Reserve
n/a
72h
Jewels
0
24

Pricing

1 specs
MSRP
n/a
$995
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Reviews

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

Selten M1 Moonphase

Owners praise the Selten M1 Moonphase for its attractive aventurine dial, excellent finishing relative to its price point, and comfortable 39mm case size, noting a custom rotor on the Miyota 9015 movement. One commenter found the date window to look cheap. Overall, owners appreciate the Selten M1 Moonphase for its striking dial and value proposition.

From video reviewers

The guilloché dial—detailed and color-shifting across angles—commands attention and justifies extended wear. The bracelet rattles noticeably and the lugs feel sharp against skin.

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.