Seiko Cal. 4431 - 709

Seiko 4431-709

This Solar model from 1975 features a 45mm Hardlex-Coated Steel case. The Inner Rotating bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-e64613aa442e]

Specifications

Movement
Solar
Case Material
Hardlex-Coated Steel
Case Width
45mm
Case Thickness
8.1mm
Lug Width
20mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
60m
Dial Color
Black
Jewels
23j
Frequency
36,000 bph
Power Reserve
54 hours
Year
1975

Related Models

seikata-wm-e64613aa442e