Seiko Cal. 5227 - 850

The Seiko 5227-850 represents an important milestone in Seiko's 1981 lineup. It features a Black dial protected by a Acrylic crystal and offers 180m of water resistance. [seikata-wm-82290db91c43]

Also known as: Helmet, Golden Tuna

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

8.0mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Black

Jewels

30j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1981

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