Seiko Cal. 5231 - 300

Released in 1986, the Cal. 5231 with design code 300 was part of Seiko's domestic market collection. Powered by the 5231 caliber with 27j jewels beating at 28,800 bph, it delivers a 54 hours power reserve. [seikata-wm-39ce319d57f1]

Also known as: Emperor

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

34mm

Case Thickness

14.9mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Blue Sunburst

Jewels

27j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1986

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