Seiko Cal. 6631 - 701

The Seiko 6631-701 represents an important milestone in Seiko's 1969 lineup. Powered by the 6631 caliber with 34j jewels beating at 28,800 bph, it delivers a 63 hours power reserve. [seikata-wm-0cbff4ee0015]

Also known as: Flighty

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

14.5mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Black

Jewels

34j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1969

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