Side by side

Seiko King Seiko KSKvsTudor Monarch

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
Monarch
TudorMonarch
MSRP $5,875

At a glance

18 of 29 specs differ
Diameter
King Seiko KSK38.6mm
Monarch39mm
Power Reserve
King Seiko KSK45h
Monarch65h
Water Resistance
King Seiko KSK50m
Monarch100m
MSRP
King Seiko KSK$3,300
Monarch$5,875

Full specifications

Case

8 specs
Category
Dress
Diameter
38.6mm
39mm
Thickness
10.7mm
11.9mm
Lug-to-Lug
45.8mm
46mm
Lug Width
19mm
20mm
Finish
Brushed and polished
Polished + Satin
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
Champagne

Movement

6 specs
Caliber
6L35
MT5662-2U
Beat Rate
28,800 vph
0 vph
Power Reserve
45h
65h
Jewels
26
0
Hacking
Yes
No
Hand-winding
Yes
No

Pricing

1 specs
MSRP
$3,300
$5,875

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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 Monarch

The Tudor Monarch is praised for its crisp case finishing, solid H-link bracelet with T-fit clasp, and a 39mm size that wears well, though its eclectic neoclassical dial design is noted. It features a METAS-certified Master Chronometer movement with a 65-hour power reserve, visible through a display case back. The watch has a vintage-inspired dial with a unique champagne color and California layout, though it lacks lume and its modern, angular 39mm case doesn't wear smaller than its dimensions suggest. Its 11.9mm thickness is noted as a bit disappointing, but faceted case sides and box sapphire crystals contribute to a slender wearing experience. On balance, reviewers praise the Tudor Monarch for its sharp case finishing and Master Chronometer movement at its price point.

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