Seiko Cal. 5671 - 691

The 5671-691 is a sought-after Automatic piece from Seiko's golden era. Powered by the 5671 caliber with 17j jewels beating at 28,800 bph, it delivers a 38 hours power reserve. [seikata-wm-fc267dfa1a83]

Also known as: Tuna

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

14.6mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Navy

Jewels

17j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1997

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