Seiko Cal. 6647 - 822

The Seiko 6647-822 represents an important milestone in Seiko's 1979 lineup. It features a Green dial protected by a Mineral crystal and offers 140m of water resistance. [seikata-wm-a9dfa11949b8]

Also known as: World Timer

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

10.1mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Green

Jewels

35j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1979

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