Seiko Cal. 4416 - 439

The Seiko 4416-439 represents an important milestone in Seiko's 1981 lineup. Powered by the 4416 caliber with 30j jewels beating at 28,800 bph, it delivers a 67 hours power reserve. [seikata-wm-26113646b969]

Also known as: Rally, Sportsmatic

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

12.1mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Silver

Jewels

30j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1981

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