Seiko Cal. 5656 - 318

This Hand-Winding model from 1970 features a 38mm PVD Black case. With its 21mm lug width and 8.7mm profile, it sits comfortably on most wrists. [seikata-wm-ceb57b2f6b6b]

Also known as: Crown

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

38mm

Case Thickness

8.7mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

80m

Dial Color

Blue Sunburst

Jewels

28j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1970

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