Seiko Cal. 6661 - 512

The Seiko 6661-512 represents an important milestone in Seiko's 1973 lineup. The Fixed bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-faf24db3a1b2]

Also known as: Sea Horse

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

8.3mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

140m

Dial Color

Green

Jewels

35j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1973

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