Seiko Cal. 6644 - 580

The 6644-580 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6644 caliber with 30j jewels beating at 36,000 bph, it delivers a 65 hours power reserve. [seikata-wm-1d76e6c0a1b8]

Also known as: Goldfeather

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

8.8mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Champagne

Jewels

30j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1997

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