Seiko Cal. 5633 - 690

The Seiko 5633-690 represents an important milestone in Seiko's 1971 lineup. The Bidirectional bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-aa08a2fc9c83]

Also known as: Shogun, Bullhead

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

11.1mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Champagne

Jewels

35j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1971

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