Seiko Cal. 4531 - 197

The 4531-197 is a sought-after Automatic piece from Seiko's golden era. It features a White dial protected by a Acrylic crystal and offers 160m of water resistance. [seikata-wm-75c3ad80517f]

Also known as: Monster

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

12.1mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

160m

Dial Color

White

Jewels

23j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1978

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