Seiko Cal. 6643 - 125

Seiko 6643-125

The 6643-125 is a sought-after Solar piece from Seiko's golden era. Powered by the 6643 caliber with 20j jewels beating at 28,800 bph, it delivers a 58 hours power reserve. [seikata-wm-0aeecf16e18b]

Also known as: Bellmatic

Specifications

Movement
Solar
Case Material
Two-Tone
Case Width
43mm
Case Thickness
8.8mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
170m
Dial Color
Blue Sunburst
Jewels
20j
Frequency
28,800 bph
Power Reserve
58 hours
Year
1987

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