Seiko Cal. 6641 - 814

The 6641-814 is a sought-after Solar piece from Seiko's golden era. Powered by the 6641 caliber with 26j jewels beating at 36,000 bph, it delivers a 70 hours power reserve. [seikata-wm-9caac0bc67f6]

Also known as: Shogun, Tuna

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

9.0mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

40m

Dial Color

Burgundy

Jewels

26j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1977

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