Seiko Cal. 4420 - 333

This Automatic model from 1979 features a 46mm Hardlex-Coated Steel case. Powered by the 4420 caliber with 22j jewels beating at 36,000 bph, it delivers a 64 hours power reserve. [seikata-wm-b742d6bf5785]

Also known as: Samurai, Baby Tuna

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

8.7mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

140m

Dial Color

Navy

Jewels

22j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1979

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