Seiko Cal. 6641 - 777

Seiko 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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