Seiko Cal. 6646 - 216

The 6646-216 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6646 caliber with 21j jewels beating at 21,600 bph, it delivers a 72 hours power reserve. [seikata-wm-8d1fa2904c83]

Also known as: Rally, Crown

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

46mm

Case Thickness

10.5mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

70m

Dial Color

Green

Jewels

21j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1983

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