Seiko Cal. 4445 - 421

The 4445-421 is a sought-after Hand-Winding piece from Seiko's golden era. With its 20mm lug width and 11.6mm profile, it sits comfortably on most wrists. [seikata-wm-14ee18a281b4]

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

35mm

Case Thickness

11.6mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Black

Jewels

28j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1982

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