Seiko Cal. 4555 - 672

The Seiko 4555-672 represents an important milestone in Seiko's 1989 lineup. Powered by the 4555 caliber with 21j jewels beating at 36,000 bph, it delivers a 55 hours power reserve. [seikata-wm-bc4008c953bb]

Also known as: Sumo

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

39mm

Case Thickness

8.2mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Blue Sunburst

Jewels

21j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1989

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