Seiko Cal. 4440 - 529

This Spring Drive model from 1977 features a 41mm Hardlex-Coated Steel case. With its 20mm lug width and 11.1mm profile, it sits comfortably on most wrists. [seikata-wm-25e854395096]

Also known as: Turtle, Bellmatic

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

11.1mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

White

Jewels

21j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1977

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