Seiko Cal. 4447 - 866

Seiko 4447-866

This Hand-Winding model from 1971 features a 40mm PVD Black case. The Inner Rotating bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-70bde87e3903]

Also known as: Sumo

Specifications

Movement
Hand-Winding
Case Material
PVD Black
Case Width
40mm
Case Thickness
15.2mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
30m
Dial Color
Navy
Jewels
35j
Frequency
36,000 bph
Power Reserve
53 hours
Year
1971

Related Models

seikata-wm-70bde87e3903