Seiko Cal. 6231 - 559

Released in 1984, the Cal. 6231 with design code 559 was part of Seiko's domestic market collection. Powered by the 6231 caliber with 21j jewels beating at 21,600 bph, it delivers a 48 hours power reserve. [seikata-wm-0b583661d083]

Also known as: Bullhead, Emperor

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

46mm

Case Thickness

10.6mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

70m

Dial Color

Silver

Jewels

21j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1984

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