Seiko Cal. 5686 - 780

This Spring Drive model from 1976 features a 39mm PVD Black case. It features a Black dial protected by a Acrylic crystal and offers 190m of water resistance. [seikata-wm-79ab0d70e3e6]

Also known as: Tuna, Flighty

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

39mm

Case Thickness

8.9mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

190m

Dial Color

Black

Jewels

27j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1976

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