Seiko Cal. 6645 - 823

This Quartz model from 1974 features a 35mm Two-Tone case. With its 19mm lug width and 11.4mm profile, it sits comfortably on most wrists. [seikata-wm-cafa31ab60a9]

Also known as: Sumo, Silverwave

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

35mm

Case Thickness

11.4mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

40m

Dial Color

Black

Jewels

30j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1974

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