Seiko Cal. 4577 - 102

This Automatic model from 1980 features a 43mm Hardlex-Coated Steel case. It features a Blue Sunburst dial protected by a Mineral crystal and offers 90m of water resistance. [seikata-wm-a68038392e69]

Also known as: Helmet

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

8.9mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

90m

Dial Color

Blue Sunburst

Jewels

25j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1980

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