Seiko Cal. 5643 - 847

The Seiko 5643-847 represents an important milestone in Seiko's 1967 lineup. With its 18mm lug width and 9.2mm profile, it sits comfortably on most wrists. [seikata-wm-09570957bc58]

Also known as: World Timer, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

46mm

Case Thickness

9.2mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

140m

Dial Color

Black

Jewels

35j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1967

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