Seiko Cal. 6384 - 648

The Seiko 6384-648 represents an important milestone in Seiko's 1973 lineup. With its 20mm lug width and 8.9mm profile, it sits comfortably on most wrists. [seikata-wm-958526513751]

Also known as: Sumo, Crown

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

8.9mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Cream

Jewels

22j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1973

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