Side by side

Seiko King Seiko KSKvsLongines SPIRIT PILOT

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
SPIRIT PILOT
LonginesSPIRIT PILOT
MSRP $3,100

At a glance

20 of 29 specs differ
Diameter
King Seiko KSK38.6mm
SPIRIT PILOT39mm
Power Reserve
King Seiko KSK45h
SPIRIT PILOT72h
Water Resistance
King Seiko KSK50m
SPIRIT PILOT100m
MSRP
King Seiko KSK$3,300
SPIRIT PILOT$3,100

Full specifications

Case

8 specs
Category
Dress
Pilot
Diameter
38.6mm
39mm
Thickness
10.7mm
11.5mm
Lug-to-Lug
45.8mm
47.2mm
Lug Width
19mm
20mm
Finish
Brushed and polished
Water Resistance
50m
100m
Caseback
Solid
Screw-down case back

Crystal & Dial

4 specs
Crystal Shape
Box
AR Coating
Anti-reflective coating on inner surface
Both sides
Indices
Applied
Applied Arabic numerals
Lume
None
Super-LumiNova

Movement

7 specs
Caliber
6L35
L888.4
Beat Rate
28,800 vph
25,200 vph
Power Reserve
45h
72h
Jewels
26
0
Hacking
Yes
No
Hand-winding
Yes
No
Complications
None
Hours, minutes, seconds

Pricing

1 specs
MSRP
$3,300
$3,100

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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 SPIRIT PILOT

Owners widely praise the Longines Spirit Pilot for its exceptional finishing, featuring sharp edges and crisp transitions, and its improved wearability thanks to a reduced 39mm case size and 47.2mm lug-to-lug distance. Reviewers and owners alike highlight the clean, balanced dial with gilt-toned accents that play with light, and its excellent legibility and lume. The L888.4 automatic movement is noted for its 72-hour power reserve and COSC certification. Some owners feel the Longines Spirit Pilot wears larger than its 39mm diameter and express disappointment over the removal of the five stars from the dial, while others find its bracelet endlinks long and lament the lack of quick-release. One owner voices concern over the serviceability of exclusive movements. Overall, owners rate the Longines Spirit Pilot highly for its modern icon status and value, feeling it wears more expensively than its price point suggests.

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