Seiko Cal. 5643 - 552

This Automatic model from 1975 features a 46mm Titanium case. Powered by the 5643 caliber with 22j jewels beating at 28,800 bph, it delivers a 43 hours power reserve. [seikata-wm-db6fc9c44c20]

Also known as: Golden Tuna

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

46mm

Case Thickness

13.6mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

White

Jewels

22j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1975

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