Side by side

MKII Project 300vsSeiko Prospex Land Mechanical

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

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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.

MKII Project 300

Owners widely praise the MKII Project 300 for its balanced aesthetic, with one owner noting its lume "glows like a torch." Reviewers highlight its design as a dive watch inspired by the Omega Seamaster 300, emphasizing high legibility with a bold yet balanced appearance. One owner found the 41.25mm case fit their wrist perfectly. Overall, owners and reviewers rate the MKII Project 300 highly for its striking lume and well-proportioned dive watch design.

From video reviewers

The 39.5mm case size fits most wrists well. The watch offers 200M water resistance. Reviewers did not reach a consensus on any weaknesses or points of disagreement.

Seiko Prospex Land Mechanical

Owners widely praise the Seiko Prospex Land Mechanical for its unique style, useful day-date complication, and value, with some finding it suitable as a one-watch-for-all-occasions. Accuracy and durability are noted as strengths, with one owner reporting good performance even in water submersion. However, multiple owners criticize its size, with figures around 41mm to 43mm and 14.4mm thickness being flagged as too large and thick for smaller wrists. The Hardlex crystal and a potentially loose inner compass bezel are also points of criticism. On balance, owners rate the Seiko Prospex Land Mechanical highly for its unique style and value, despite concerns over its substantial dimensions.

At a glance

12 of 29 specs differ
Diameter
Project 30041.25mm
Prospex Land Mechanical39.5mm
Power Reserve
Project 300
Prospex Land Mechanical72h
Water Resistance
Project 300300m
Prospex Land Mechanical200m
MSRP
Project 300$1,995
Prospex Land Mechanical$995

Full specifications

Case

5 specs
Category
Field
Diameter
41.25mm
39.5mm
Thickness
13.45mm
12.7mm
Lug-to-Lug
48mm
46.4mm
Water Resistance
300m
200m

Crystal & Dial

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

Movement

3 specs
Caliber
ETA 2824-2
Seiko 6R55
Power Reserve
72h
Jewels
0
24

Pricing

1 specs
MSRP
$1,995
$995
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