Seiko Cal. 4416 - 447

This Spring Drive model from 1981 features a 38mm Hardlex-Coated Steel case. It features a Cream dial protected by a Acrylic crystal and offers 110m of water resistance. [seikata-wm-5428a19af361]

Also known as: Helmet, Rally

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

12.6mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

110m

Dial Color

Cream

Jewels

26j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1981

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