Seiko Cal. 6231 - 547

The Seiko 6231-547 represents an important milestone in Seiko's 1979 lineup. Powered by the 6231 caliber with 33j jewels beating at 21,600 bph, it delivers a 72 hours power reserve. [seikata-wm-e5ae907d8c2e]

Also known as: Golden Tuna

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

9.1mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

90m

Dial Color

Black

Jewels

33j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1979

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