Seiko Cal. 5271 - 198

Seiko 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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