Seiko Cal. 6655 - 187

This Spring Drive model from 1987 features a 36mm PVD Black case. With its 18mm lug width and 9.6mm profile, it sits comfortably on most wrists. [seikata-wm-acbd3c0ee6de]

Also known as: UFO, World Timer

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

36mm

Case Thickness

9.6mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

40m

Dial Color

Green

Jewels

18j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1987

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