Seiko Cal. 4420 - 336

This Spring Drive model from 1989 features a 46mm PVD Black case. Powered by the 4420 caliber with 21j jewels beating at 36,000 bph, it delivers a 40 hours power reserve. [seikata-wm-8bc4b579e0b3]

Also known as: Pogue

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

46mm

Case Thickness

9.3mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

White

Jewels

21j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1989

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