Side by side

KUOE ROYAL SMITH 90-006vsSeiko King Seiko KSK

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

ROYAL SMITH 90-006
KUOEROYAL SMITH 90-006
MSRP $795
King Seiko KSK
SeikoKing Seiko KSK
MSRP $1,900

At a glance

12 of 29 specs differ
Diameter
ROYAL SMITH 90-00635mm
King Seiko KSK36.1mm
Power Reserve
ROYAL SMITH 90-00642h
King Seiko KSK72h
Water Resistance
ROYAL SMITH 90-006100m
King Seiko KSK100m
MSRP
ROYAL SMITH 90-006$795
King Seiko KSK$1,900

Full specifications

Case

4 specs
Diameter
35mm
36.1mm
Thickness
10.4mm
11.6mm
Lug-to-Lug
42mm
43mm
Lug Width
18mm
19mm

Crystal & Dial

4 specs
Crystal Shape
Dome
Box
AR Coating
Yes
Anti-reflective coating on inner surface
Dial Color
Ivory
Black
Lume
Super-LumiNova
LumiBrite on hands and index(es)

Movement

3 specs
Caliber
Miyota 9039
6R51
Power Reserve
42h
72h
Jewels
25
24

Pricing

1 specs
MSRP
$795
$1,900

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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.

KUOE ROYAL SMITH 90-006

Owners widely praise the KUOE ROYAL SMITH 90-006 for its visual appeal and sapphire crystal with AR coating. The watch functions correctly and keeps time at approximately +5 seconds per day on the wrist, powered by a Miyota 9039 movement. On balance, owners value the watch's aesthetics and specifications, though some question its overall value proposition.

From video reviewers

The watch's unique blend of modern and retro elements is a notable strength, with a textured ivory waffle dial and Breguet numerals giving it the look of a vintage watch from the 1950s and 1960s. A potential drawback is the ~$770 USD price point, which is significant for a microbrand. Reviewers disagree on the movement's accuracy, with one reviewer noting it is noisy and another describing it as a "Japanese-manufactured high beat premium automatic movement".

Seiko King Seiko KSK

The King Seiko KSK is widely praised for its refined finishing, with owners and reviewers noting its sharp case, faceted lugs, and well-executed dial indices, often comparing its polishing favorably to Grand Seiko. Enthusiasts appreciate its slim, retro design, with some stating it wears smaller than its official size due to the cushion case and close-to-the-wrist feel. The use of the slimline Calibre 6L35 movement is seen as an upgrade, maintaining the watch's slender profile, though some owners express concern over the price point and the perceived value of the movement. Accuracy figures vary, with one owner reporting +5 to +7 seconds per day, while another notes +15/-10 seconds per day. Some owners have noted minor quality control issues such as misaligned screws or a burr on a hand. On balance, owners and reviewers rate the King Seiko KSK highly for its exceptional case and dial finishing at its price point.

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