Seiko Cal. 4531 - 231

Released in 1997, the Cal. 4531 with design code 231 was part of Seiko's domestic market collection. Powered by the 4531 caliber with 36j jewels beating at 21,600 bph, it delivers a 67 hours power reserve. [seikata-wm-3227fafef6bb]

Also known as: Emperor, Flighty

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

35mm

Case Thickness

15.6mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

160m

Dial Color

Burgundy

Jewels

36j

Frequency

21,600 bph

Power Reserve

67 hours

Year

1997

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