Seiko Cal. 0736 - 863

This Spring Drive model from 1972 features a 39mm PVD Black case. With its 18mm lug width and 10.4mm profile, it sits comfortably on most wrists. [seikata-wm-962dabf3598d]

Also known as: Tuna, Rally

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

39mm

Case Thickness

10.4mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

40m

Dial Color

Blue Sunburst

Jewels

17j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1972

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