Seiko Cal. 4561 - 558

This Hand-Winding model from 1971 features a 40mm Hardlex-Coated Steel case. It features a White dial protected by a Mineral crystal and offers 180m of water resistance. [seikata-wm-305bbece2581]

Also known as: Bullhead, Helmet

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

8.0mm

Lug Width

20mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

180m

Dial Color

White

Jewels

18j

Frequency

21,600 bph

Power Reserve

63 hours

Year

1971

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