Seiko Cal. 5647 - 942

The Seiko 5647-942 represents an important milestone in Seiko's 1976 lineup. With its 20mm lug width and 14.6mm profile, it sits comfortably on most wrists. [seikata-wm-a80f3ae6d685]

Also known as: Sea Horse

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

14.6mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Champagne

Jewels

17j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1976

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