Side by side

Seiko King Seiko KSKvsSeiko Prospex Land Mechanical

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

King Seiko KSK
SeikoKing Seiko KSK
MSRP $3,300
Prospex Land Mechanical
SeikoProspex Land Mechanical
MSRP $995

At a glance

12 of 29 specs differ
Diameter
King Seiko KSK38.6mm
Prospex Land Mechanical39.5mm
Power Reserve
King Seiko KSK45h
Prospex Land Mechanical72h
Water Resistance
King Seiko KSK50m
Prospex Land Mechanical200m
MSRP
King Seiko KSK$3,300
Prospex Land Mechanical$995

Full specifications

Case

6 specs
Category
Dress
Field
Diameter
38.6mm
39.5mm
Thickness
10.7mm
12.7mm
Lug-to-Lug
45.8mm
46.4mm
Lug Width
19mm
20mm
Water Resistance
50m
200m

Crystal & Dial

2 specs
Crystal Shape
Box
Flat
Lume
None
LumiBrite on hands and index(es)

Movement

3 specs
Caliber
6L35
6R55
Power Reserve
45h
72h
Jewels
26
24

Pricing

1 specs
MSRP
$3,300
$995

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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.

Seiko King Seiko KSK

Owners and reviewers widely praise the King Seiko KSK for its exceptional dial and case finishing, often compared to higher-end brands, and its slim, retro design. The use of the Calibre 6L35 movement in some variants is seen as a significant upgrade, contributing to a refined feel, while others note the bracelet is unusually nice and the case offers a mix of brushed and polished finishes with sharp angles. However, some owners question the value proposition, citing misaligned screws and clasp components on their examples, and the standard 6R movement in some models is criticized as a disappointment for the price point. Accuracy figures range from +15/-10 seconds per day to +5 to +7 seconds per day, and water resistance is rated at 5 BAR or 50 meters. Overall, owners and reviewers find the King Seiko KSK to be a beautiful and classy watch with fantastic finishing, though some are divided on its value and movement choice at its price point.

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.

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