Seiko Cal. 5643 - 507

Seiko 5643-507

The Seiko 5643-507 represents an important milestone in Seiko's 1973 lineup. Powered by the 5643 caliber with 21j jewels beating at 28,800 bph, it delivers a 60 hours power reserve. [seikata-wm-225c5471c916]

Also known as: Sportsmatic, Bellmatic

Specifications

Movement
Automatic
Case Material
Gold-Plated
Case Width
34mm
Case Thickness
9.5mm
Lug Width
18mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
80m
Dial Color
Blue Sunburst
Jewels
21j
Frequency
28,800 bph
Power Reserve
60 hours
Year
1973

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seikata-wm-225c5471c916