Seiko Cal. 4421 - 660

Released in 1979, the Cal. 4421 with design code 660 was part of Seiko's domestic market collection. Powered by the 4421 caliber with 29j jewels beating at 28,800 bph, it delivers a 62 hours power reserve. [seikata-wm-1233513709f1]

Also known as: Pogue

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

39mm

Case Thickness

12.8mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Champagne

Jewels

29j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1979

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