Seiko Cal. 6671 - 648

The 6671-648 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6671 caliber with 20j jewels beating at 36,000 bph, it delivers a 57 hours power reserve. [seikata-wm-c3b551146004]

Also known as: Goldfeather, Crown

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

12.8mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Champagne

Jewels

20j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1965

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