Seiko Cal. 5640 - 769

This Quartz model from 1967 features a 34mm Two-Tone case. Powered by the 5640 caliber with 34j jewels beating at 21,600 bph, it delivers a 53 hours power reserve. [seikata-wm-01fc1da452af]

Also known as: Bullhead, Arnie

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

34mm

Case Thickness

8.2mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

130m

Dial Color

Green

Jewels

34j

Frequency

21,600 bph

Power Reserve

53 hours

Year

1967

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