Seiko Cal. 6641 - 129

The 6641-129 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6641 caliber with 24j jewels beating at 21,600 bph, it delivers a 71 hours power reserve. [seikata-wm-6d3fa5ac2808]

Also known as: Rally, Arnie

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

46mm

Case Thickness

10.1mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Silver

Jewels

24j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1990

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