Seiko Cal. 5647 - 661

This Spring Drive model from 1979 features a 43mm Stainless Steel case. With its 21mm lug width and 14.5mm profile, it sits comfortably on most wrists. [seikata-wm-a613af78794d]

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

14.5mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Navy

Jewels

24j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1979

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