Seiko Cal. 5642 - 179

The Seiko 5642-179 represents an important milestone in Seiko's 1969 lineup. Powered by the 5642 caliber with 24j jewels beating at 21,600 bph, it delivers a 38 hours power reserve. [seikata-wm-5a4addfd95df]

Also known as: Sportsmatic, Crown

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

8.6mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Champagne

Jewels

24j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1969

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