Seiko Cal. 5660 - 806

Seiko 5660-806

This Hand-Winding model from 1979 features a 39mm Two-Tone case. Powered by the 5660 caliber with 27j jewels beating at 28,800 bph, it delivers a 57 hours power reserve. [seikata-wm-fa1036daea2e]

Specifications

Movement
Hand-Winding
Case Material
Two-Tone
Case Width
39mm
Case Thickness
14.8mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
30m
Dial Color
Cream
Jewels
27j
Frequency
28,800 bph
Power Reserve
57 hours
Year
1979

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