Seiko Cal. 5647 - 789

This Hand-Winding model from 1971 features a 36mm PVD Black case. It features a Green dial protected by a Hardlex crystal and offers 180m of water resistance. [seikata-wm-f4e1845ec8d8]

Also known as: Sumo

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

36mm

Case Thickness

11.9mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

180m

Dial Color

Green

Jewels

27j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1971

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