Seiko Cal. 5643 - 618

The Seiko 5643-618 represents an important milestone in Seiko's 1986 lineup. Powered by the 5643 caliber with 24j jewels beating at 21,600 bph, it delivers a 56 hours power reserve. [seikata-wm-3dd9ec938988]

Also known as: Golden Tuna, Arnie

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

10.2mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Blue Sunburst

Jewels

24j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1986

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