Side by side

Seiko King Seiko KSKvsLongines MASTER COLLECTION

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
MASTER COLLECTION
LonginesMASTER COLLECTION
MSRP $2,350

At a glance

19 of 29 specs differ
Diameter
King Seiko KSK38.6mm
MASTER COLLECTION29mm
Power Reserve
King Seiko KSK45h
MASTER COLLECTION45h
Water Resistance
King Seiko KSK50m
MASTER COLLECTION30m
MSRP
King Seiko KSK$3,300
MASTER COLLECTION$2,350

Full specifications

Case

8 specs
Category
Dress
Diameter
38.6mm
29mm
Thickness
10.7mm
9mm
Lug-to-Lug
45.8mm
34.5mm
Lug Width
19mm
15mm
Finish
Brushed and polished
Water Resistance
50m
30m
Caseback
Solid
Transparent case back with sapphire crystal

Crystal & Dial

5 specs
Crystal Shape
Box
AR Coating
Anti-reflective coating on inner surface
Dial Color
Black
Silver
Indices
Applied
Painted Arabic numerals
Lume
None
Super-LumiNova

Movement

5 specs
Caliber
6L35
L592.5
Jewels
26
0
Hacking
Yes
No
Hand-winding
Yes
No
Complications
None
Hours, minutes, seconds and date

Pricing

1 specs
MSRP
$3,300
$2,350

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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.

Longines MASTER COLLECTION

Owners and reviewers widely praise the Longines Master Collection for its excellent finishing and value, with specific mentions of beautiful dials featuring engraved Breguet numerals and blued hands. The movement offers a 72-hour power reserve, and the classical design is noted as versatile. Some owners report the bracelet lacks sufficient micro-adjustment options for a precise fit, and one owner experienced a broken moon phase setting mechanism requiring service. The Master Collection Annual Calendar has 30m water resistance, considered light by one reviewer. Overall, the consensus is that owners and reviewers rate the Longines Master Collection highly for its exceptional value and refined finishing.

From video reviewers

The watch has a strong wrist presence and comfort. The movement accuracy is also a notable feature, delivering luxury value at its price point.

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