Seiko Cal. 5664 - 693

The Seiko 5664-693 represents an important milestone in Seiko's 1986 lineup. The Fixed bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-d8bc44dec7a2]

Also known as: Bullhead

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

40mm

Case Thickness

10.2mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

40m

Dial Color

Cream

Jewels

18j

Frequency

36,000 bph

Power Reserve

46 hours

Year

1986

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