Seiko Cal. 4421 - 345

This Automatic model from 1976 features a 37mm Gold-Plated case. Powered by the 4421 caliber with 33j jewels beating at 28,800 bph, it delivers a 61 hours power reserve. [seikata-wm-63a8e58429cf]

Also known as: Samurai, Monster

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

12.5mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Blue Sunburst

Jewels

33j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1976

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