Seiko Cal. 4561 - 771

This Automatic model from 1970 features a 42mm Hardlex-Coated Steel case. It features a Navy dial protected by a Hardlex crystal and offers 180m of water resistance. [seikata-wm-99732dd8ed8d]

Also known as: Monster

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

12.8mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Navy

Jewels

23j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1970

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