Seiko Cal. 5643 - 197

The Seiko 5643-197 represents an important milestone in Seiko's 1979 lineup. Powered by the 5643 caliber with 18j jewels beating at 21,600 bph, it delivers a 70 hours power reserve. [seikata-wm-7bb360e88595]

Also known as: Shogun, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

39mm

Case Thickness

8.6mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

180m

Dial Color

Silver

Jewels

18j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1979

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