Seiko Cal. 5684 - 891

The Seiko 5684-891 represents an important milestone in Seiko's 1982 lineup. Powered by the 5684 caliber with 23j jewels beating at 21,600 bph, it delivers a 44 hours power reserve. [seikata-wm-c540ce19bbd8]

Also known as: Tuna

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

9.8mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

White

Jewels

23j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1982

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