Seiko Cal. 4451 - 304

The Seiko 4451-304 represents an important milestone in Seiko's 1990 lineup. Powered by the 4451 caliber with 24j jewels beating at 28,800 bph, it delivers a 53 hours power reserve. [seikata-wm-7896690c658f]

Also known as: Helmet, Emperor

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

10.3mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

80m

Dial Color

Blue Sunburst

Jewels

24j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1990

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