Seiko Cal. 6331 - 247

The Seiko 6331-247 represents an important milestone in Seiko's 1970 lineup. Powered by the 6331 caliber with 25j jewels beating at 21,600 bph, it delivers a 58 hours power reserve. [seikata-wm-9863a1aa5b08]

Also known as: Flighty

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

8.4mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

30m

Dial Color

White

Jewels

25j

Frequency

21,600 bph

Power Reserve

58 hours

Year

1970

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