Seiko Cal. 6686 - 820

Released in 1972, the Cal. 6686 with design code 820 was part of Seiko's domestic market collection. It features a Champagne dial protected by a Acrylic crystal and offers 30m of water resistance. [seikata-wm-4c72f759a769]

Also known as: Rally, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

10.6mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Champagne

Jewels

18j

Frequency

21,600 bph

Power Reserve

68 hours

Year

1972

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