Seiko Cal. 6356 - 660

This Hand-Winding model from 1988 features a 39mm PVD Black case. With its 19mm lug width and 15.9mm profile, it sits comfortably on most wrists. [seikata-wm-7bf79609f151]

Also known as: Helmet

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

39mm

Case Thickness

15.9mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

30m

Dial Color

White

Jewels

32j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1988

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