Seiko Cal. 6631 - 859

This Solar model from 1986 features a 37mm Gold-Plated case. With its 18mm lug width and 9.2mm profile, it sits comfortably on most wrists. [seikata-wm-2c7766861530]

Also known as: Helmet, Flighty

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

9.2mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

White

Jewels

19j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1986

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