Seiko Cal. 4420 - 163

The Seiko 4420-163 represents an important milestone in Seiko's 1991 lineup. Powered by the 4420 caliber with 17j jewels beating at 28,800 bph, it delivers a 53 hours power reserve. [seikata-wm-3d12efbf456c]

Also known as: Goldfeather

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

35mm

Case Thickness

15.9mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

160m

Dial Color

Blue Sunburst

Jewels

17j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1991

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