Seiko Cal. 5671 - 856

The 5671-856 is a sought-after Automatic piece from Seiko's golden era. Powered by the 5671 caliber with 31j jewels beating at 36,000 bph, it delivers a 55 hours power reserve. [seikata-wm-057f157889b0]

Also known as: Goldfeather, Navigator

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

41mm

Case Thickness

10.3mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

80m

Dial Color

White

Jewels

31j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1978

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