Seiko Cal. 4439 - 389

This Spring Drive model from 1999 features a 40mm Titanium case. Powered by the 4439 caliber with 31j jewels beating at 21,600 bph, it delivers a 56 hours power reserve. [seikata-wm-20b15995177f]

Also known as: Arnie

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

40mm

Case Thickness

14.5mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

110m

Dial Color

Burgundy

Jewels

31j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1999

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