Seiko Cal. 5287 - 871

The 5287-871 is a sought-after Automatic piece from Seiko's golden era. Powered by the 5287 caliber with 31j jewels beating at 36,000 bph, it delivers a 56 hours power reserve. [seikata-wm-550671664dc8]

Also known as: Helmet, Emperor

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

15.0mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Green

Jewels

31j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1996

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