Seiko Cal. 6645 - 383

Seiko 6645-383

The 6645-383 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6645 caliber with 35j jewels beating at 21,600 bph, it delivers a 71 hours power reserve. [seikata-wm-d0d25deb5c15]

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
39mm
Case Thickness
12.9mm
Lug Width
21mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
110m
Dial Color
Green
Jewels
35j
Frequency
21,600 bph
Power Reserve
71 hours
Year
1976

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