Seiko Cal. 6331 - 300

The Seiko 6331-300 represents an important milestone in Seiko's 1978 lineup. Powered by the 6331 caliber with 33j jewels beating at 28,800 bph, it delivers a 52 hours power reserve. [seikata-wm-667d2f9e3178]

Also known as: Emperor, Flighty

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

35mm

Case Thickness

14.6mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

40m

Dial Color

White

Jewels

33j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1978

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