Seiko Cal. 4561 - 759

The Seiko 4561-759 represents an important milestone in Seiko's 1970 lineup. It features a Blue Sunburst dial protected by a Mineral crystal and offers 180m of water resistance. [seikata-wm-fafc19104830]

Also known as: Silverwave, Bellmatic

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

12.6mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Blue Sunburst

Jewels

25j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1970

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