Seiko Cal. 4420 - 605

The Seiko 4420-605 represents an important milestone in Seiko's 1985 lineup. Powered by the 4420 caliber with 35j jewels beating at 21,600 bph, it delivers a 56 hours power reserve. [seikata-wm-911240dcd339]

Also known as: Sea Horse

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

12.3mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

200m

Dial Color

White

Jewels

35j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1985

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