Seiko Cal. 5634 - 385

This Solar model from 1970 features a 43mm PVD Black case. With its 18mm lug width and 11.7mm profile, it sits comfortably on most wrists. [seikata-wm-bc95925832e5]

Also known as: Sportsmatic

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

43mm

Case Thickness

11.7mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

White

Jewels

18j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1970

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