Seiko Cal. 6645 - 568

This Quartz model from 1971 features a 34mm Two-Tone case. With its 22mm lug width and 8.0mm profile, it sits comfortably on most wrists. [seikata-wm-efb2e3e78c7b]

Also known as: Sumo

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

34mm

Case Thickness

8.0mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

200m

Dial Color

Navy

Jewels

22j

Frequency

21,600 bph

Power Reserve

53 hours

Year

1971

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