Seiko Cal. 4545 - 231

The Seiko 4545-231 represents an important milestone in Seiko's 1992 lineup. Powered by the 4545 caliber with 21j jewels beating at 36,000 bph, it delivers a 61 hours power reserve. [seikata-wm-242bbf1bbfb8]

Also known as: Bullhead, Emperor

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

41mm

Case Thickness

15.2mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Blue Sunburst

Jewels

21j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1992

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