Seiko Cal. 6668 - 536

Released in 1980, the Cal. 6668 with design code 536 was part of Seiko's domestic market collection. With its 20mm lug width and 9.1mm profile, it sits comfortably on most wrists. [seikata-wm-0b69a0ac63ac]

Also known as: UFO, Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

36mm

Case Thickness

9.1mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

30m

Dial Color

White

Jewels

19j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1980

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