Seiko Cal. 4447 - 517

The 4447-517 is a sought-after Hand-Winding piece from Seiko's golden era. With its 21mm lug width and 10.9mm profile, it sits comfortably on most wrists. [seikata-wm-59fa894ccc4d]

Also known as: Tuna, World Timer

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

10.9mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Navy

Jewels

34j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1979

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