Seiko Cal. 4411 - 133

This Spring Drive model from 1983 features a 36mm PVD Black case. With its 20mm lug width and 13.3mm profile, it sits comfortably on most wrists. [seikata-wm-413f04a83094]

Also known as: Turtle, Helmet

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

36mm

Case Thickness

13.3mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

80m

Dial Color

Black

Jewels

21j

Frequency

21,600 bph

Power Reserve

58 hours

Year

1983

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