Seiko Cal. 4424 - 721

This Automatic model from 1996 features a 38mm Hardlex-Coated Steel case. Powered by the 4424 caliber with 19j jewels beating at 28,800 bph, it delivers a 41 hours power reserve. [seikata-wm-a1b671d20803]

Also known as: Helmet, Sea Horse

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

12.4mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Navy

Jewels

19j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1996

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