Seiko Cal. 6630 - 650

This Quartz model from 1969 features a 44mm Titanium case. The Rotating bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-fd6257178de3]

Also known as: Monster, Sumo

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

44mm

Case Thickness

14.5mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

70m

Dial Color

Black

Jewels

26j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1969

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