Seiko Cal. 6644 - 347

This Quartz model from 1971 features a 37mm Gold-Plated case. The Inner Rotating bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-42625ad499bc]

Also known as: UFO

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

11.6mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Burgundy

Jewels

33j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1971

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