Seiko Cal. 4470 - 422

The 4470-422 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4470 caliber with 30j jewels beating at 21,600 bph, it delivers a 48 hours power reserve. [seikata-wm-54d5cf44efbb]

Also known as: Samurai, Bellmatic

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

35mm

Case Thickness

14.4mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Green

Jewels

30j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1997

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