Seiko Cal. 6691 - 406

This Quartz model from 1987 features a 36mm Two-Tone case. With its 18mm lug width and 11.0mm profile, it sits comfortably on most wrists. [seikata-wm-8b7322f3c295]

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

36mm

Case Thickness

11.0mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Champagne

Jewels

31j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1987

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