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Seiko King Seiko KSK
Case
- Diameter
- 38.3mm
- Thickness
- 11.7mm
- Lug-to-lug
- 46mm
- Lug width
- 19mm
- Material
- Stainless Steel
- Water resistance
- 100m
Crystal & dial
- Crystal
- Sapphire
- Shape
- Box
- AR coating
- Anti-reflective coating on inner surface
- Lume
- LumiBrite on Hands
Movement
- Caliber
- Seiko 6R55
- Type
- Automatic
- Power reserve
- 72h
- Jewels
- 24
- Hacking
- No
- Hand-winding
- No
- Complications
- Time only
Design language
- Case shape
- round
- Dial style
- textured
- Bezel
- fixed
- Bracelet
- lug-attached
- Hands
- dauphine
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King Seiko KSK collection · 3 watches
3 colorways
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Owners talk.
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.
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