Seiko Cal. 5221 - 817

The Seiko 5221-817 represents an important milestone in Seiko's 1993 lineup. Powered by the 5221 caliber with 17j jewels beating at 36,000 bph, it delivers a 56 hours power reserve. [seikata-wm-7323a33c2ca6]

Also known as: Helmet, Sportsmatic

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

44mm

Case Thickness

13.4mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

160m

Dial Color

Blue Sunburst

Jewels

17j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1993

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