Seiko Cal. 4440 - 858

This Automatic model from 1978 features a 35mm Two-Tone case. Powered by the 4440 caliber with 17j jewels beating at 21,600 bph, it delivers a 40 hours power reserve. [seikata-wm-15ae39f08bd2]

Also known as: Silverwave, Navigator

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

35mm

Case Thickness

10.2mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Cream

Jewels

17j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1978

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