Seiko Cal. 5684 - 856

The Seiko 5684-856 represents an important milestone in Seiko's 1967 lineup. Powered by the 5684 caliber with 17j jewels beating at 21,600 bph, it delivers a 46 hours power reserve. [seikata-wm-03acc364bfb8]

Also known as: Golden Tuna, Emperor

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

41mm

Case Thickness

13.0mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Silver

Jewels

17j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1967

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