Seiko Cal. 5271 - 303

The Seiko 5271-303 represents an important milestone in Seiko's 1998 lineup. Powered by the 5271 caliber with 21j jewels beating at 21,600 bph, it delivers a 69 hours power reserve. [seikata-wm-26d8491090f8]

Also known as: Helmet

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

34mm

Case Thickness

13.7mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Blue Sunburst

Jewels

21j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1998

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