Seiko Cal. 5646 - 662

This Spring Drive model from 1972 features a 34mm PVD Black case. The Rotating bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-0cabe9e7f935]

Also known as: Silverwave, World Timer

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

34mm

Case Thickness

14.8mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

110m

Dial Color

Navy

Jewels

23j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1972

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