Seiko Cal. 6641 - 777

The 6641-777 is a sought-after Solar piece from Seiko's golden era. Powered by the 6641 caliber with 27j jewels beating at 36,000 bph, it delivers a 58 hours power reserve. [seikata-wm-767b65b01f28]

Also known as: Silverwave

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

34mm

Case Thickness

15.4mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

80m

Dial Color

Black

Jewels

27j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1995

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