Seiko Cal. 4415 - 446

The Seiko 4415-446 represents an important milestone in Seiko's 1977 lineup. With its 20mm lug width and 9.0mm profile, it sits comfortably on most wrists. [seikata-wm-f980184ef1e9]

Also known as: Sportsmatic

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

43mm

Case Thickness

9.0mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

100m

Dial Color

White

Jewels

25j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1977

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