Seiko Cal. 4447 - 413

This Spring Drive model from 1996 features a 42mm Two-Tone case. With its 18mm lug width and 15.1mm profile, it sits comfortably on most wrists. [seikata-wm-4feebadf4820]

Also known as: Tuna, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

42mm

Case Thickness

15.1mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Blue Sunburst

Jewels

23j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1996

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