Seiko Cal. 5666 - 331

Seiko 5666-331

This Hand-Winding model from 1967 features a 44mm PVD Black case. Powered by the 5666 caliber with 33j jewels beating at 28,800 bph, it delivers a 61 hours power reserve. [seikata-wm-458a791a384c]

Specifications

Movement
Hand-Winding
Case Material
PVD Black
Case Width
44mm
Case Thickness
15.1mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
60m
Dial Color
Black
Jewels
33j
Frequency
28,800 bph
Power Reserve
61 hours
Year
1967

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seikata-wm-458a791a384c