Seiko Cal. 5660 - 977

This Spring Drive model from 1977 features a 46mm Gold-Plated case. With its 21mm lug width and 15.2mm profile, it sits comfortably on most wrists. [seikata-wm-50b466015424]

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

15.2mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Blue Sunburst

Jewels

30j

Frequency

36,000 bph

Power Reserve

69 hours

Year

1977

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