Seiko Cal. 4420 - 547

The Seiko 4420-547 represents an important milestone in Seiko's 1999 lineup. Powered by the 4420 caliber with 31j jewels beating at 36,000 bph, it delivers a 61 hours power reserve. [seikata-wm-04c48533ec84]

Also known as: Pogue, Navigator

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

15.3mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Green

Jewels

31j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1999

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