Seiko Cal. 4415 - 820

This Hand-Winding model from 1972 features a 34mm PVD Black case. Powered by the 4415 caliber with 31j jewels beating at 21,600 bph, it delivers a 63 hours power reserve. [seikata-wm-f6371e37a9c8]

Also known as: Samurai, Arnie

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

34mm

Case Thickness

15.2mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Silver

Jewels

31j

Frequency

21,600 bph

Power Reserve

63 hours

Year

1972

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