Seiko Cal. 4450 - 274

This Spring Drive model from 1971 features a 38mm PVD Black case. Powered by the 4450 caliber with 17j jewels beating at 28,800 bph, it delivers a 66 hours power reserve. [seikata-wm-a79ce3f1745b]

Also known as: Bellmatic

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

38mm

Case Thickness

15.1mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Champagne

Jewels

17j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1971

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