Seiko Cal. 4561 - 630

The Seiko 4561-630 represents an important milestone in Seiko's 1969 lineup. It features a Blue Sunburst dial protected by a Sapphire crystal and offers 110m of water resistance. [seikata-wm-0e7b47ae9191]

Also known as: Shogun, Tuna

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

14.8mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

110m

Dial Color

Blue Sunburst

Jewels

18j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1969

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