Seiko Cal. 4439 - 818

This Spring Drive model from 1968 features a 34mm Titanium case. Powered by the 4439 caliber with 29j jewels beating at 21,600 bph, it delivers a 48 hours power reserve. [seikata-wm-36be3836780c]

Also known as: Silverwave

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

34mm

Case Thickness

11.5mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

140m

Dial Color

Burgundy

Jewels

29j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1968

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