Seiko Cal. 6655 - 721

The Seiko 6655-721 represents an important milestone in Seiko's 1970 lineup. The Coin-Edge bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-81948ddd0119]

Also known as: Panda, Sea Horse

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

13.0mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Blue Sunburst

Jewels

25j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1970

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