Seiko Cal. 4516 - 556

The Seiko 4516-556 represents an important milestone in Seiko's 1966 lineup. It features a Cream dial protected by a Hardlex crystal and offers 30m of water resistance. [seikata-wm-9ab2485fde34]

Also known as: Helmet, Golden Tuna

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

13.9mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

30m

Dial Color

Cream

Jewels

22j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1966

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