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 $2,650

At a glance

18 of 29 specs differ
Diameter
King Seiko KSK38.6mm
MASTER COLLECTION29mm
Power Reserve
King Seiko KSK45h
MASTER COLLECTION72h
Water Resistance
King Seiko KSK50m
MASTER COLLECTION30m
MSRP
King Seiko KSK$3,300
MASTER COLLECTION$2,650

Full specifications

Case

8 specs
Category
Dress
Diameter
38.6mm
29mm
Thickness
10.7mm
9.64mm
Lug-to-Lug
45.8mm
49.6mm
Lug Width
19mm
21mm
Finish
Brushed and polished
Water Resistance
50m
30m
Caseback
Solid

Crystal & Dial

3 specs
Crystal Shape
Box
AR Coating
Anti-reflective coating on inner surface
Indices
Applied

Movement

6 specs
Caliber
6L35
L888.5
Beat Rate
28,800 vph
0 vph
Power Reserve
45h
72h
Jewels
26
0
Hacking
Yes
No
Hand-winding
Yes
No

Pricing

1 specs
MSRP
$3,300
$2,650

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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 widely praise the Longines Master Collection for its excellent finishing, classic styling, and value proposition, with specific call-outs for beautiful dials, Breguet numerals, and complications like moon phases and annual calendars. Reviewers and owners alike highlight the attractive price point for a Swiss-made timepiece featuring these elements. Some owners note the bracelet lacks sufficient micro-adjustment for a perfect fit, and one reviewer found the case finishing somewhat homogenous. A specific chronograph variant's pushers were described as having a cheap feel, and its hour counter did not always reset to zero, while another variant's subdial obscured a numeral. Water resistance is noted as 30m for one model, considered light by a reviewer. Overall, owners rate the Longines Master Collection highly for its dial aesthetics and the value it offers in complications and finishing.

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