Seiko Cal. 0733 - 643

The Seiko 0733-643 represents an important milestone in Seiko's 1975 lineup. With its 21mm lug width and 12.1mm profile, it sits comfortably on most wrists. [seikata-wm-4f292edd3343]

Also known as: Flighty

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

45mm

Case Thickness

12.1mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Champagne

Jewels

27j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1975

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