Seiko Cal. 5642 - 775

The Seiko 5642-775 represents an important milestone in Seiko's 1967 lineup. Powered by the 5642 caliber with 27j jewels beating at 28,800 bph, it delivers a 44 hours power reserve. [seikata-wm-10ab8c0cbc02]

Also known as: Silverwave, Navigator

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

8.8mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

160m

Dial Color

Green

Jewels

27j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1967

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