Seiko Cal. 4427 - 459

This Hand-Winding model from 1991 features a 35mm Hardlex-Coated Steel case. Powered by the 4427 caliber with 29j jewels beating at 36,000 bph, it delivers a 54 hours power reserve. [seikata-wm-fa6d3b1684e3]

Also known as: Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

13.9mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Burgundy

Jewels

29j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1991

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