Seiko Cal. 4531 - 194

This Hand-Winding model from 1967 features a 40mm Hardlex-Coated Steel case. It features a White dial protected by a Sapphire crystal and offers 180m of water resistance. [seikata-wm-871df4212704]

Also known as: Bullhead

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

11.6mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

180m

Dial Color

White

Jewels

33j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1967

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