Seiko Cal. 6641 - 767

The 6641-767 is a sought-after Solar piece from Seiko's golden era. Powered by the 6641 caliber with 34j jewels beating at 36,000 bph, it delivers a 72 hours power reserve. [seikata-wm-cd1104762014]

Also known as: Sumo

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

15.6mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Navy

Jewels

34j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1996

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