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Seiko King Seiko KSK

Seiko King Seiko KSK

AutomaticSteel

Ref. SJE091J1

Collection: King SeikoCase size: 38.6mmMovement: 6L35

The Seiko King Seiko KSK, reference SJE091J1, has a 38.6 mm steel case. The case is 10.7 mm thick, with a lug-to-lug measurement of 45.8 mm and a water-resistance rating of 50 metres. Self-winding calibre 6L35 contains 26 jewels and has a power reserve of approximately 45 hours. The dial has a date display; the clasp has a butterfly construction with push-button release. LumiBrite is applied to the indices. Movement accuracy is plus 15 to minus 10 seconds per day. The lug width measures 19 mm. A box-shaped sapphire crystal with an anti-reflective coating on the inner surface covers the dial.

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Last updated 9 Oct 2026Suggest a correction

TECHNICAL SPECIFICATIONS

GENERAL

Gender

Men

CASE

Diameter

38.6mm

Thickness

10.7mm

Lug to Lug

45.8mm

Lug Width

19mm

Case Material

Steel

Water Resistance

50m

Crystal

Sapphire Crystal

MOVEMENT

Movement Type

Automatic

Caliber

6L35

Power Reserve

45h

Frequency

28,800 vph (4 Hz)

Jewels

26 jewels

BRACELET/STRAP

Clasp Type

Double Fold Clasp

FEATURES & COMPLICATIONS

DateLuminous indices

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