Seiko Cal. 4415 - 443

The 4415-443 is a sought-after Spring Drive piece from Seiko's golden era. With its 19mm lug width and 8.9mm profile, it sits comfortably on most wrists. [seikata-wm-80402a948929]

Also known as: UFO

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

8.9mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

150m

Dial Color

White

Jewels

29j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1979

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