Seiko Cal. 4430 - 415

This Hand-Winding model from 1981 features a 46mm Hardlex-Coated Steel case. Powered by the 4430 caliber with 29j jewels beating at 28,800 bph, it delivers a 65 hours power reserve. [seikata-wm-bff00e0ad21c]

Also known as: Sportsmatic, Arnie

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

14.7mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

130m

Dial Color

White

Jewels

29j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1981

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