Seiko Cal. 6641 - 398

The 6641-398 is a sought-after Solar piece from Seiko's golden era. Powered by the 6641 caliber with 27j jewels beating at 28,800 bph, it delivers a 45 hours power reserve. [seikata-wm-2092d7a704f4]

Also known as: Silverwave, Sea Horse

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

14.5mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

130m

Dial Color

Burgundy

Jewels

27j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1998

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