Seiko Cal. 6641 - 109

The 6641-109 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6641 caliber with 25j jewels beating at 36,000 bph, it delivers a 36 hours power reserve. [seikata-wm-398ca3e89b7a]

Also known as: Goldfeather

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

15.0mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

140m

Dial Color

White

Jewels

25j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1975

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