Seiko Cal. 5656 - 742

This Spring Drive model from 1975 features a 42mm Gold-Plated case. With its 22mm lug width and 8.2mm profile, it sits comfortably on most wrists. [seikata-wm-51b46e7723dc]

Also known as: Silverwave, Sea Horse

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

8.2mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

White

Jewels

34j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1975

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