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 $3,300

At a glance

18 of 29 specs differ
Diameter
King Seiko KSK38.6mm
MASTER COLLECTION40mm
Power Reserve
King Seiko KSK45h
MASTER COLLECTION72h
Water Resistance
King Seiko KSK50m
MASTER COLLECTION30m
MSRP
King Seiko KSK$3,300
MASTER COLLECTION$3,300

Full specifications

Case

8 specs
Category
Dress
Diameter
38.6mm
40mm
Thickness
10.7mm
10.8mm
Lug-to-Lug
45.8mm
46.8mm
Lug Width
19mm
21mm
Finish
Brushed and polished
Water Resistance
50m
30m
Caseback
Solid

Crystal & Dial

4 specs
Crystal Shape
Box
AR Coating
Anti-reflective coating on inner surface
Dial Color
Black
Silver
Indices
Applied

Movement

6 specs
Caliber
6L35
L897.2
Beat Rate
28,800 vph
0 vph
Power Reserve
45h
72h
Jewels
26
0
Hacking
Yes
No
Hand-winding
Yes
No

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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 value, heritage-inspired designs, and well-executed dials, with specific models featuring Breguet numerals, leaf hands, or barleycorn textures. The finishing is frequently highlighted as a strong point, though one owner describes it as somewhat homogenous. Specific models are lauded for complications like column-wheel chronographs and annual calendars at accessible price points. Some owners note drawbacks such as the subdial obscuring a numeral on certain dial layouts or the date function. The bracelet on one model is criticized for lacking micro-adjustments. Water resistance is considered light on the annual calendar model at 30m. On balance, owners and reviewers rate the Longines Master Collection highly for its classic styling and impressive complications for the price.

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