Seiko Cal. 6688 - 630

This Hand-Winding model from 1982 features a 37mm Gold-Plated case. It features a Blue Sunburst dial protected by a Acrylic crystal and offers 80m of water resistance. [seikata-wm-8fcc5f43e87d]

Also known as: Helmet, Goldfeather

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

8.8mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Blue Sunburst

Jewels

24j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1982

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