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Seiko 5 Sports SKX series

Seiko 5 Sports SKX series

AutomaticSteel

Ref. SRPL37

Collection: 5 SportsCase size: 42.5mmMovement: 4R36

The Seiko 5 Sports SKX series, reference SRPL37, has a 42.5 mm steel case. This is a limited edition of 2000 pieces. The case is 13.4 mm thick, with a lug-to-lug measurement of 46 mm and a water-resistance rating of 100 metres. Self-winding calibre 4R36 contains 24 jewels and has a power reserve of approximately 41 hours. Over the dial is a curved Hardlex crystal; the dial has a date display and a day display. LumiBrite appears on the hands and indices; the movement is visible through a display back. Magnetic resistance is 4,800 A/m; the lug width measures 22 mm. A textile strap is attached to the watch.

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Last updated 9 Oct 2026Suggest a correction

TECHNICAL SPECIFICATIONS

GENERAL

Gender

Men

Limited Edition

2,000 pieces

CASE

Diameter

42.5mm

Thickness

13.4mm

Lug to Lug

46mm

Lug Width

22mm

Case Material

Steel

Water Resistance

100m

Crystal

Mineral Glass

MOVEMENT

Movement Type

Automatic

Caliber

4R36

Power Reserve

41h

Frequency

21,600 vph (3 Hz)

Jewels

24 jewels

BRACELET/STRAP

Bracelet/Strap

Textile

FEATURES & COMPLICATIONS

DateDisplay backLimited EditionLuminous handsLuminous indicesRotating BezelWeekday

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