Seiko Cal. 4455 - 810

The Seiko 4455-810 represents an important milestone in Seiko's 1991 lineup. Powered by the 4455 caliber with 28j jewels beating at 21,600 bph, it delivers a 40 hours power reserve. [seikata-wm-374462cfe9b4]

Also known as: Bullhead, World Timer

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

10.4mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

150m

Dial Color

Black

Jewels

28j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1991

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