Seiko Cal. 4427 - 626

The Seiko 4427-626 represents an important milestone in Seiko's 1986 lineup. Powered by the 4427 caliber with 20j jewels beating at 28,800 bph, it delivers a 49 hours power reserve. [seikata-wm-0c31e2928714]

Also known as: Silverwave, Sportsmatic

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

11.7mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

170m

Dial Color

Burgundy

Jewels

20j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1986

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