Seiko Cal. 4557 - 165

This Hand-Winding model from 1980 features a 41mm PVD Black case. The Inner Rotating bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-e8c46eea2c9f]

Also known as: Bellmatic, Sea Horse

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

41mm

Case Thickness

13.9mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Blue Sunburst

Jewels

33j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1980

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