Seiko Cal. 4577 - 294

This Hand-Winding model from 1977 features a 37mm Stainless Steel case. It features a Cream dial protected by a Hardlex crystal and offers 50m of water resistance. [seikata-wm-87a94b24e9f8]

Also known as: Crown

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

8.1mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Cream

Jewels

23j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1977

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