Seiko Cal. 4413 - 955

The 4413-955 is a sought-after Spring Drive piece from Seiko's golden era. With its 21mm lug width and 13.6mm profile, it sits comfortably on most wrists. [seikata-wm-03fa6559ed59]

Also known as: Sportsmatic

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

39mm

Case Thickness

13.6mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

190m

Dial Color

Blue Sunburst

Jewels

31j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1972

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