Seiko Cal. 7136 - 863

This Spring Drive model from 1975 features a 41mm PVD Black case. With its 21mm lug width and 8.5mm profile, it sits comfortably on most wrists. [seikata-wm-390aa95454c1]

Also known as: Flighty

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

41mm

Case Thickness

8.5mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

80m

Dial Color

Green

Jewels

21j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1975

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