Seiko Cal. 6331 - 699

The Seiko 6331-699 represents an important milestone in Seiko's 1976 lineup. Powered by the 6331 caliber with 28j jewels beating at 21,600 bph, it delivers a 64 hours power reserve. [seikata-wm-e5dd9843b418]

Also known as: Samurai, Rally

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

11.4mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Navy

Jewels

28j

Frequency

21,600 bph

Power Reserve

64 hours

Year

1976

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