Seiko Cal. 4420 - 667

The Seiko 4420-667 represents an important milestone in Seiko's 1971 lineup. Powered by the 4420 caliber with 27j jewels beating at 21,600 bph, it delivers a 43 hours power reserve. [seikata-wm-046685c138de]

Also known as: Bellmatic, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

8.6mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

70m

Dial Color

Champagne

Jewels

27j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1971

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