Side by side

Seiko King Seiko KSKvsTudor Ranger

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

King Seiko KSK
SeikoKing Seiko KSK
MSRP $2,000
Ranger
TudorRanger
MSRP $3,900

At a glance

16 of 29 specs differ
Diameter
King Seiko KSK38.3mm
Ranger36mm
Power Reserve
King Seiko KSK72h
Ranger70h
Water Resistance
King Seiko KSK100m
Ranger100m
MSRP
King Seiko KSK$2,000
Ranger$3,900

Full specifications

Case

5 specs
Category
Dress
Field
Diameter
38.3mm
36mm
Thickness
11.7mm
11mm
Finish
Brushed and polished
Satin
Caseback
Solid
Solid screw-down

Crystal & Dial

4 specs
Crystal Shape
Box
AR Coating
Anti-reflective coating on inner surface
Indices
Applied
Lume
LumiBrite on Hands
None

Movement

6 specs
Caliber
6R55
MT5400
Beat Rate
28,800 vph
0 vph
Power Reserve
72h
70h
Jewels
24
0
Hacking
Yes
No
Hand-winding
Yes
No

Pricing

1 specs
MSRP
$2,000
$3,900

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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's sharp, faceted case design and harmonious mid-century aesthetic. Its compact 38.1mm or 37mm size and slim 10.7mm thickness are noted as highly wearable. However, accuracy is a point of contention, with one reviewer reporting a wide range of +25 to -15 seconds per day for the 6R31 movement, while others criticize the standard 6R movement as too thick and a departure from the brand's history. Water resistance is consistently cited as limited to 50 meters, and one owner reported misaligned screws on the caseback and clasp. On balance, owners and reviewers find the King Seiko KSK appealing for its design and wearability, though the movement choice and accuracy are significant drawbacks for some.

Tudor Ranger

The Tudor Ranger is highly regarded by owners for its balanced dial, legible markers, and traditional 36mm sizing, with some rating it above other Tudor models. The watch is powered by a COSC-certified MT5405 movement offering a 70-hour power reserve. On balance, owners and reviewers praise the Tudor Ranger for its excellent value and classic design.

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