Seiko Cal. 6691 - 420

This Hand-Winding model from 1985 features a 43mm Two-Tone case. With its 22mm lug width and 11.0mm profile, it sits comfortably on most wrists. [seikata-wm-0b37626ee0d7]

Also known as: Monster, Silverwave

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

43mm

Case Thickness

11.0mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Burgundy

Jewels

28j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1985

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