Seiko Cal. 4451 - 497

The Seiko 4451-497 represents an important milestone in Seiko's 1979 lineup. Powered by the 4451 caliber with 25j jewels beating at 21,600 bph, it delivers a 48 hours power reserve. [seikata-wm-96ee22e9a307]

Also known as: Bellmatic

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

34mm

Case Thickness

12.0mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Blue Sunburst

Jewels

25j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1979

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