Seiko Cal. 5665 - 871

The 5665-871 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 5665 caliber with 25j jewels beating at 28,800 bph, it delivers a 59 hours power reserve. [seikata-wm-eb741cbf84b0]

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

9.9mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

180m

Dial Color

Champagne

Jewels

25j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1972

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