Seiko Cal. 6643 - 297

Seiko 6643-297

This Solar model from 1987 features a 44mm Gold-Plated case. Powered by the 6643 caliber with 23j jewels beating at 28,800 bph, it delivers a 59 hours power reserve. [seikata-wm-d4f02d475b6a]

Also known as: Sumo

Specifications

Movement
Solar
Case Material
Gold-Plated
Case Width
44mm
Case Thickness
13.7mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
30m
Dial Color
Cream
Jewels
23j
Frequency
28,800 bph
Power Reserve
59 hours
Year
1987

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