Seiko Cal. 6647 - 430

Released in 1969, the Cal. 6647 with design code 430 was part of Seiko's domestic market collection. The Fixed bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-5ec4515dafdf]

Also known as: Silverwave, Navigator

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

11.5mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

150m

Dial Color

Silver

Jewels

20j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1969

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