Side by side

Seiko King Seiko KSKvsTudor 1926 Luna

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
1926 Luna
Tudor1926 Luna
MSRP $3,000

At a glance

19 of 29 specs differ
Diameter
King Seiko KSK38.6mm
1926 Luna39mm
Power Reserve
King Seiko KSK45h
1926 Luna38h
Water Resistance
King Seiko KSK50m
1926 Luna100m
MSRP
King Seiko KSK$3,300
1926 Luna$3,000

Full specifications

Case

8 specs
Category
Dress
Moonphase
Diameter
38.6mm
39mm
Thickness
10.7mm
10.1mm
Lug-to-Lug
45.8mm
46mm
Lug Width
19mm
21mm
Finish
Brushed and polished
Polished
Water Resistance
50m
100m
Caseback
Solid
Solid screw-down

Crystal & Dial

3 specs
Crystal Shape
Box
AR Coating
Anti-reflective coating on inner surface
Dial Color
Black

Movement

7 specs
Caliber
6L35
T607-
Beat Rate
28,800 vph
0 vph
Power Reserve
45h
38h
Jewels
26
0
Hacking
Yes
No
Hand-winding
Yes
No
Complications
None
Moonphase

Pricing

1 specs
MSRP
$3,300
$3,000

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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.

Tudor 1926 Luna

The Tudor 1926 Luna offers a moonphase complication at an approachable price, featuring a 39mm polished steel case and domed sunray dials. It is powered by a chronometer-grade Sellita SW280-1 movement with a 41-hour power reserve. Some reviewers note that the dressier aesthetic of the 1926 line may not align with Tudor's overall brand identity, and the bracelet lacks micro-adjustments. Overall, owners and reviewers find the Tudor 1926 Luna a good value for its romantic moonphase complication and polished finishing.

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