Seiko Cal. 4445 - 401

The 4445-401 is a sought-after Spring Drive piece from Seiko's golden era. With its 18mm lug width and 14.3mm profile, it sits comfortably on most wrists. [seikata-wm-cb1788aa7d30]

Also known as: Tuna

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

44mm

Case Thickness

14.3mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

90m

Dial Color

Silver

Jewels

28j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1988

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