Seiko Cal. 5642 - 423

This Automatic model from 1991 features a 38mm PVD Black case. Powered by the 5642 caliber with 31j jewels beating at 21,600 bph, it delivers a 68 hours power reserve. [seikata-wm-6ea64d34b7ca]

Also known as: Sea Horse

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

38mm

Case Thickness

15.4mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

White

Jewels

31j

Frequency

21,600 bph

Power Reserve

68 hours

Year

1991

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