Seiko Cal. 5642 - 864

The Seiko 5642-864 represents an important milestone in Seiko's 1967 lineup. With its 21mm lug width and 8.6mm profile, it sits comfortably on most wrists. [seikata-wm-c6110672cc9b]

Also known as: UFO

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

45mm

Case Thickness

8.6mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Black

Jewels

36j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1967

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