Seiko Cal. 4439 - 724

This Spring Drive model from 1973 features a 39mm Two-Tone case. With its 20mm lug width and 8.2mm profile, it sits comfortably on most wrists. [seikata-wm-70b48a3679e2]

Also known as: Shogun, Silverwave

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

39mm

Case Thickness

8.2mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

40m

Dial Color

Blue Sunburst

Jewels

31j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1973

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