Seiko Cal. 6646 - 234

The 6646-234 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6646 caliber with 31j jewels beating at 28,800 bph, it delivers a 67 hours power reserve. [seikata-wm-5a3e20ef4a69]

Also known as: Samurai, Crown

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

14.5mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

White

Jewels

31j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1969

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