Seiko Cal. 4439 - 585

This Quartz model from 1987 features a 43mm Hardlex-Coated Steel case. Powered by the 4439 caliber with 21j jewels beating at 21,600 bph, it delivers a 42 hours power reserve. [seikata-wm-195fd2070722]

Also known as: World Timer, Baby Tuna

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

13.2mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Burgundy

Jewels

21j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1987

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