Seiko Cal. 6311 - 783

The Seiko 6311-783 represents an important milestone in Seiko's 1971 lineup. Powered by the 6311 caliber with 22j jewels beating at 21,600 bph, it delivers a 60 hours power reserve. [seikata-wm-a64d46e8fd79]

Also known as: Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

15.1mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Green

Jewels

22j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1971

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