Seiko Cal. 5668 - 171

The 5668-171 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 5668 caliber with 23j jewels beating at 36,000 bph, it delivers a 46 hours power reserve. [seikata-wm-85bfbe943875]

Also known as: Bellmatic, Flighty

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

41mm

Case Thickness

8.1mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

30m

Dial Color

Green

Jewels

23j

Frequency

36,000 bph

Power Reserve

46 hours

Year

1976

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