Seiko Cal. 5645 - 373

Seiko 5645-373

The 5645-373 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 5645 caliber with 20j jewels beating at 21,600 bph, it delivers a 54 hours power reserve. [seikata-wm-23da7e86d054]

Specifications

Movement
Kinetic
Case Material
Hardlex-Coated Steel
Case Width
41mm
Case Thickness
11.5mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
100m
Dial Color
Silver
Jewels
20j
Frequency
21,600 bph
Power Reserve
54 hours
Year
1965

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seikata-wm-23da7e86d054