Seiko Cal. 5271 - 987

The 5271-987 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 5271 caliber with 35j jewels beating at 21,600 bph, it delivers a 45 hours power reserve. [seikata-wm-5b805ec905eb]

Also known as: Bullhead, Helmet

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

13.5mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

30m

Dial Color

Champagne

Jewels

35j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1980

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