Seiko Cal. 5642 - 647

Seiko 5642-647

The 5642-647 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 5642 caliber with 33j jewels beating at 28,800 bph, it delivers a 69 hours power reserve. [seikata-wm-43d7470653c3]

Specifications

Movement
Kinetic
Case Material
Two-Tone
Case Width
37mm
Case Thickness
9.2mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Fixed
Water Resistance
170m
Dial Color
Green
Jewels
33j
Frequency
28,800 bph
Power Reserve
69 hours
Year
1973

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