Seiko Cal. 5221 - 166

The Seiko 5221-166 represents an important milestone in Seiko's 1985 lineup. Powered by the 5221 caliber with 34j jewels beating at 36,000 bph, it delivers a 53 hours power reserve. [seikata-wm-5cf73d89cb24]

Also known as: Helmet

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

46mm

Case Thickness

14.3mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Blue Sunburst

Jewels

34j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1985

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