Seiko Cal. 6696 - 643

The Seiko 6696-643 represents an important milestone in Seiko's 1967 lineup. With its 20mm lug width and 15.8mm profile, it sits comfortably on most wrists. [seikata-wm-cb3c9d47e7af]

Also known as: Sumo, Emperor

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

37mm

Case Thickness

15.8mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Black

Jewels

27j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1967

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