Seiko Cal. 6645 - 688

This Spring Drive model from 1982 features a 37mm Hardlex-Coated Steel case. With its 21mm lug width and 8.0mm profile, it sits comfortably on most wrists. [seikata-wm-b9d63bbc86fb]

Also known as: Panda

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

8.0mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

150m

Dial Color

Navy

Jewels

27j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1982

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