Kurono Tokyo Anniversary 2021 TokivsSeiko King Seiko KSK

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Measurements
Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.

Anniversary 2021 Toki

King Seiko KSK
Diameter
37mm
38.6mm
Lug-to-Lug
n/a
45.8mm
Thickness
7mm
lowest
10.7mm
Water Resistance
30m
50m
highest
Power Reserve
40h
45h
highest
MSRP
$1,738
lowest
$3,300
Movement
Miyota 90S5
Seiko 6L35
Case
8 specsCrystal & Dial
4 specsMovement
4 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
Owners widely praise the Kurono Tokyo Anniversary 2021 Toki for its stunning, dynamic coral-vermillion dial that shifts hues, and its classic 37mm polished case, making it a versatile summer watch. The radial sunburst dial, inspired by the Japanese crested ibis, displays metallic shades from crimson to vermillion red, with hints of purple under certain lighting. Reviewers and owners alike admire the brand's design identity and thoughtful limited production. One owner notes the Miyota 90S5 movement is performing exceptionally well, running at +2/3 seconds per day, exceeding previous experiences with the model line. Some owners find the watch stunning with classic sizing and a dynamic dial that changes in the light, with one owner considering it the brand's most beautiful non-chronograph watch. The three polished rings inside the minute track are also highlighted as stunning and original.
The Seiko King Seiko KSK is praised for its slim, retro design with sharply faceted lugs and well-executed dials, featuring a mix of brushed and polished finishes. Owners and reviewers consistently highlight the Grand Seiko-level dial and case finishing, the double-bevel sapphire crystal, and an unusually nice bracelet. Accuracy figures vary, with one owner reporting +5 to +7 seconds per day and another noting +15/-10 seconds per day for the 6L35 movement. Some owners question the value proposition at its price point, particularly when considering the movement. Overall, owners and reviewers appreciate the King Seiko KSK for its refined retro aesthetic and high-quality finishing, despite some reservations about its price and movement in certain configurations.
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