Seiko Cal. 4447 - 898

This Spring Drive model from 1970 features a 40mm Titanium case. Powered by the 4447 caliber with 19j jewels beating at 36,000 bph, it delivers a 40 hours power reserve. [seikata-wm-b6277a609004]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

40mm

Case Thickness

11.7mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Cream

Jewels

19j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1970

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