Seiko Cal. 4477 - 522

Released in 1967, the Cal. 4477 with design code 522 was part of Seiko's domestic market collection. Powered by the 4477 caliber with 33j jewels beating at 36,000 bph, it delivers a 44 hours power reserve. [seikata-wm-49b39ed0da4a]

Also known as: World Timer

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

8.5mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Green

Jewels

33j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1967

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