Seiko Cal. 5221 - 818

The Seiko 5221-818 represents an important milestone in Seiko's 1975 lineup. It features a Navy dial protected by a Acrylic crystal and offers 110m of water resistance. [seikata-wm-897200bccefe]

Also known as: Tuna

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

38mm

Case Thickness

13.6mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

110m

Dial Color

Navy

Jewels

26j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1975

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