Seiko Cal. 6643 - 946

Seiko 6643-946

The 6643-946 is a sought-after Quartz piece from Seiko's golden era. The Rotating bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-d9a985382589]

Also known as: Silverwave, Crown

Specifications

Movement
Quartz
Case Material
Gold-Plated
Case Width
38mm
Case Thickness
12.4mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
40m
Dial Color
Black
Jewels
22j
Frequency
36,000 bph
Power Reserve
64 hours
Year
1987

Related Models

seikata-wm-d9a985382589