Seiko Cal. 5684 - 668

The 5684-668 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 5684 caliber with 20j jewels beating at 21,600 bph, it delivers a 67 hours power reserve. [seikata-wm-8387c024e9b2]

Also known as: Flighty

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

38mm

Case Thickness

15.3mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Silver

Jewels

20j

Frequency

21,600 bph

Power Reserve

67 hours

Year

1987

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