Seiko Cal. 5617 - 963

This Solar model from 1970 features a 36mm PVD Black case. With its 20mm lug width and 15.4mm profile, it sits comfortably on most wrists. [seikata-wm-c78bbc1da961]

Also known as: Helmet, Sportsmatic

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

36mm

Case Thickness

15.4mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Blue Sunburst

Jewels

36j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1970

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