Seiko Cal. 5668 - 858

The 5668-858 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 5668 caliber with 31j jewels beating at 36,000 bph, it delivers a 61 hours power reserve. [seikata-wm-eb371bf34537]

Also known as: Samurai, Bellmatic

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

46mm

Case Thickness

13.9mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Silver

Jewels

31j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1978

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