Seiko Cal. 6630 - 708

The Seiko 6630-708 represents an important milestone in Seiko's 1969 lineup. Powered by the 6630 caliber with 36j jewels beating at 21,600 bph, it delivers a 71 hours power reserve. [seikata-wm-8589abbab653]

Also known as: Sea Horse

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

10.5mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Green

Jewels

36j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1969

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