Seiko Cal. 4551 - 827

The Seiko 4551-827 represents an important milestone in Seiko's 1971 lineup. It features a Cream dial protected by a Sapphire crystal and offers 150m of water resistance. [seikata-wm-9debd3ce3e8b]

Also known as: Helmet

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

8.3mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

150m

Dial Color

Cream

Jewels

20j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1971

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