Seiko Cal. 4491 - 624

This Automatic model from 1972 features a 45mm Hardlex-Coated Steel case. It features a Silver dial protected by a Acrylic crystal and offers 60m of water resistance. [seikata-wm-97ffe4957808]

Also known as: Silverwave, Bellmatic

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

9.6mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Silver

Jewels

17j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1972

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