Seiko Cal. 6641 - 900

The 6641-900 is a sought-after Spring Drive piece from Seiko's golden era. The Coin-Edge bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-2117418a66fd]

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

9.7mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Navy

Jewels

22j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1997

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