Seiko Cal. 4456 - 177

The Seiko 4456-177 represents an important milestone in Seiko's 1991 lineup. Powered by the 4456 caliber with 18j jewels beating at 28,800 bph, it delivers a 65 hours power reserve. [seikata-wm-3dfe3299fd6e]

Also known as: Crown

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

42mm

Case Thickness

14.9mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Silver

Jewels

18j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1991

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