Seiko Cal. 4420 - 627

The Seiko 4420-627 represents an important milestone in Seiko's 1996 lineup. Powered by the 4420 caliber with 34j jewels beating at 28,800 bph, it delivers a 54 hours power reserve. [seikata-wm-385b40e32684]

Also known as: Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

15.4mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Burgundy

Jewels

34j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1996

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