Seiko Cal. 5643 - 318

Seiko 5643-318

This Hand-Winding model from 1982 features a 40mm Titanium case. Powered by the 5643 caliber with 22j jewels beating at 21,600 bph, it delivers a 61 hours power reserve. [seikata-wm-ce922f929475]

Also known as: Sportsmatic

Specifications

Movement
Hand-Winding
Case Material
Titanium
Case Width
40mm
Case Thickness
8.4mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
90m
Dial Color
Blue Sunburst
Jewels
22j
Frequency
21,600 bph
Power Reserve
61 hours
Year
1982

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seikata-wm-ce922f929475