Seiko Cal. 6645 - 857

Seiko 6645-857

This Kinetic model from 1972 features a 37mm Gold-Plated case. Powered by the 6645 caliber with 30j jewels beating at 36,000 bph, it delivers a 67 hours power reserve. [seikata-wm-e826db52e668]

Specifications

Movement
Kinetic
Case Material
Gold-Plated
Case Width
37mm
Case Thickness
12.4mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
160m
Dial Color
Blue Sunburst
Jewels
30j
Frequency
36,000 bph
Power Reserve
67 hours
Year
1972

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