Seiko Cal. 4421 - 979

The Seiko 4421-979 represents an important milestone in Seiko's 1965 lineup. Powered by the 4421 caliber with 35j jewels beating at 36,000 bph, it delivers a 50 hours power reserve. [seikata-wm-8bea3a8f7b9d]

Also known as: Bellmatic, Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

10.5mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

White

Jewels

35j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1965

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