Seiko Cal. 6689 - 840

This Solar model from 1991 features a 39mm Stainless Steel case. With its 18mm lug width and 11.5mm profile, it sits comfortably on most wrists. [seikata-wm-c577a0a601a3]

Also known as: Monster

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

11.5mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

White

Jewels

34j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1991

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