Seiko Cal. 6680 - 636

The Seiko 6680-636 represents an important milestone in Seiko's 1970 lineup. It features a Cream dial protected by a Acrylic crystal and offers 90m of water resistance. [seikata-wm-5b91efa8e6c4]

Also known as: Golden Tuna, Baby Tuna

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

14.9mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Cream

Jewels

17j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1970

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