Seiko Cal. 4420 - 871

This Hand-Winding model from 1993 features a 38mm PVD Black case. Powered by the 4420 caliber with 28j jewels beating at 36,000 bph, it delivers a 71 hours power reserve. [seikata-wm-d9681d65dd31]

Also known as: Silverwave

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

38mm

Case Thickness

10.8mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Black

Jewels

28j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1993

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