Seiko Cal. 5664 - 427

The 5664-427 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 5664 caliber with 27j jewels beating at 36,000 bph, it delivers a 45 hours power reserve. [seikata-wm-6ecf281fc785]

Also known as: Rally

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

40mm

Case Thickness

12.7mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Green

Jewels

27j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1991

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