Seestern Slim Master S466.MvsSeiko 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.
Slim Master S466.M
King Seiko KSK
Diameter
38.5mm
38.6mm
Lug-to-Lug
n/a
45.8mm
Thickness
9mm
lowest
10.7mm
Water Resistance
50m
50m
Power Reserve
n/a
45h
MSRP
$260
lowest
$3,300
Movement
Miyota 9015
Seiko 6L35
Case
4 specsCrystal & Dial
3 specsMovement
3 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
Owners widely praise the Seestern Slim Master S466.M for its excellent finishing and build quality, with some finding it superior to many Seiko or Citizen watches. The 38.5mm case is considered beautiful and compact, making it easy to achieve a perfect fit. One owner desires an adjustable clasp, and the bezel only rotating counter-clockwise is noted as a minor drawback. Overall, owners rate the Seestern Slim Master S466.M highly for its exceptional finishing and wearability at its price point.
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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