Seiko Cal. 6686 - 553

The Seiko 6686-553 represents an important milestone in Seiko's 1975 lineup. It features a Blue Sunburst dial protected by a Hardlex crystal and offers 140m of water resistance. [seikata-wm-0eb54cb8d641]

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

8.2mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

140m

Dial Color

Blue Sunburst

Jewels

30j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1975

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