Seiko Cal. 6650 - 300

This Spring Drive model from 1967 features a 36mm PVD Black case. It features a White dial protected by a Hardlex crystal and offers 100m of water resistance. [seikata-wm-63eb542ceefa]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

36mm

Case Thickness

8.3mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

100m

Dial Color

White

Jewels

27j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1967

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