Seiko Cal. 6630 - 761

The Seiko 6630-761 represents an important milestone in Seiko's 1967 lineup. Powered by the 6630 caliber with 27j jewels beating at 21,600 bph, it delivers a 71 hours power reserve. [seikata-wm-57c06e5246e5]

Also known as: Sea Horse, Arnie

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

41mm

Case Thickness

9.0mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Champagne

Jewels

27j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1967

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