Seiko Cal. 4445 - 164

The 4445-164 is a sought-after Spring Drive piece from Seiko's golden era. With its 21mm lug width and 15.5mm profile, it sits comfortably on most wrists. [seikata-wm-e59e4c2e1b13]

Also known as: Sportsmatic, World Timer

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

46mm

Case Thickness

15.5mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Burgundy

Jewels

26j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1978

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