Seiko Cal. 5642 - 678

The 5642-678 is a sought-after Kinetic piece from Seiko's golden era. The Fixed bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-ae72bdad8cbf]

Also known as: Navigator

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

12.5mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

180m

Dial Color

Silver

Jewels

28j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1981

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