Seiko Cal. 6387 - 223

Released in 1979, the Cal. 6387 with design code 223 was part of Seiko's domestic market collection. With its 19mm lug width and 11.5mm profile, it sits comfortably on most wrists. [seikata-wm-401cb9ed5143]

Also known as: UFO, Crown

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

40mm

Case Thickness

11.5mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Cream

Jewels

32j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1979

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