Seiko Cal. 6633 - 994

This Quartz model from 1971 features a 46mm Gold-Plated case. Powered by the 6633 caliber with 21j jewels beating at 36,000 bph, it delivers a 63 hours power reserve. [seikata-wm-be6180f4f557]

Also known as: Sumo, UFO

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

13.7mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

130m

Dial Color

Champagne

Jewels

21j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1971

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