Seiko Cal. 6641 - 632

The 6641-632 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6641 caliber with 23j jewels beating at 36,000 bph, it delivers a 47 hours power reserve. [seikata-wm-cb1faad587ee]

Also known as: Sumo

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

14.7mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

70m

Dial Color

Champagne

Jewels

23j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1989

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