Seiko Cal. 5271 - 198

The Seiko 5271-198 represents an important milestone in Seiko's 1976 lineup. Powered by the 5271 caliber with 19j jewels beating at 28,800 bph, it delivers a 47 hours power reserve. [seikata-wm-42ba23f07ede]

Also known as: Sumo, Helmet

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

36mm

Case Thickness

14.6mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Cream

Jewels

19j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1976

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