Seiko Cal. 5240 - 890

The 5240-890 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 5240 caliber with 18j jewels beating at 21,600 bph, it delivers a 54 hours power reserve. [seikata-wm-02f6a6095c52]

Also known as: Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

37mm

Case Thickness

11.7mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

150m

Dial Color

Silver

Jewels

18j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1968

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