Seiko Cal. 6668 - 424

The 6668-424 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6668 caliber with 20j jewels beating at 36,000 bph, it delivers a 49 hours power reserve. [seikata-wm-33978ec84d07]

Also known as: Bellmatic, Crown

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

13.4mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

160m

Dial Color

Silver

Jewels

20j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1970

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