Seiko Cal. 4447 - 807

This Spring Drive model from 1980 features a 41mm Hardlex-Coated Steel case. With its 20mm lug width and 12.4mm profile, it sits comfortably on most wrists. [seikata-wm-19de31de67f0]

Also known as: Bellmatic

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

12.4mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Navy

Jewels

23j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1980

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