Seiko Cal. 5666 - 633

The Seiko 5666-633 represents an important milestone in Seiko's 1968 lineup. The Bidirectional bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-8a1457d8093d]

Also known as: Silverwave

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

35mm

Case Thickness

12.6mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Cream

Jewels

36j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1968

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