Seiko Cal. 7171 - 987

The 7171-987 is a sought-after Solar piece from Seiko's golden era. Powered by the 7171 caliber with 23j jewels beating at 28,800 bph, it delivers a 63 hours power reserve. [seikata-wm-54fa1dfa19b8]

Also known as: Sumo, Goldfeather

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

39mm

Case Thickness

10.7mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

200m

Dial Color

Silver

Jewels

23j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1998

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