Side by side

Seiko King Seiko KSKvsLongines SPIRIT ZULU TIME

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 ZULU TIME
LonginesSPIRIT ZULU TIME
MSRP $3,550

At a glance

21 of 29 specs differ
Diameter
King Seiko KSK38.6mm
SPIRIT ZULU TIME42mm
Power Reserve
King Seiko KSK45h
SPIRIT ZULU TIME72h
Water Resistance
King Seiko KSK50m
SPIRIT ZULU TIME100m
MSRP
King Seiko KSK$3,300
SPIRIT ZULU TIME$3,550

Full specifications

Case

9 specs
Category
Dress
GMT
Diameter
38.6mm
42mm
Thickness
10.7mm
14.1mm
Lug-to-Lug
45.8mm
49.4mm
Lug Width
19mm
22mm
Material
Stainless Steel
Ceramic
Finish
Brushed and polished
Water Resistance
50m
100m
Caseback
Solid

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
L844.4
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 and date, 24 hours hand with time zone mechanism

Pricing

1 specs
MSRP
$3,300
$3,550

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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 ZULU TIME

Owners widely praise the Longines SPIRIT ZULU TIME for its refined finishing, attractive dial with gilt elements, and smooth winding action. Reviewers highlight its handsome and versatile design, with some noting the 39mm variant offers comfortable wearability. The L844.4 movement provides a 72-hour power reserve and COSC certification. Some owners find the bracelet lacks sufficient micro-adjustment and prefer a weightier feel, while others note the 41mm or 42mm case sizes may be large for smaller wrists. On balance, owners and reviewers rate the Longines SPIRIT ZULU TIME highly for its excellent finishing and appealing design at its price point.

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