Seiko Cal. 4420 - 500

The Seiko 4420-500 represents an important milestone in Seiko's 1987 lineup. Powered by the 4420 caliber with 29j jewels beating at 36,000 bph, it delivers a 51 hours power reserve. [seikata-wm-9ef879dfc69c]

Also known as: World Timer

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

35mm

Case Thickness

14.9mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Burgundy

Jewels

29j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1987

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