Seiko Cal. 6645 - 231

Seiko 6645-231

This Kinetic model from 1970 features a 44mm Stainless Steel case. Powered by the 6645 caliber with 20j jewels beating at 36,000 bph, it delivers a 48 hours power reserve. [seikata-wm-d4a27c8fd755]

Specifications

Movement
Kinetic
Case Material
Stainless Steel
Case Width
44mm
Case Thickness
14.7mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
80m
Dial Color
Blue Sunburst
Jewels
20j
Frequency
36,000 bph
Power Reserve
48 hours
Year
1970

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