Seiko Cal. 5671 - 847

The Seiko 5671-847 represents an important milestone in Seiko's 1967 lineup. Powered by the 5671 caliber with 29j jewels beating at 28,800 bph, it delivers a 64 hours power reserve. [seikata-wm-5e180715a3c8]

Also known as: Tuna, UFO

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

9.5mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

180m

Dial Color

Green

Jewels

29j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1967

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