Seiko Cal. 4421 - 915

The 4421-915 is a sought-after Hand-Winding piece from Seiko's golden era. With its 22mm lug width and 13.0mm profile, it sits comfortably on most wrists. [seikata-wm-4fd4dd7018e9]

Also known as: Turtle, UFO

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

13.0mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

130m

Dial Color

White

Jewels

18j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1971

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