Seiko Cal. 4431 - 848

Seiko 4431-848

This Solar model from 1967 features a 45mm Two-Tone case. The Fixed bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-261f594c53a3]

Also known as: Monster, Sumo

Specifications

Movement
Solar
Case Material
Two-Tone
Case Width
45mm
Case Thickness
10.3mm
Lug Width
20mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
90m
Dial Color
Blue Sunburst
Jewels
35j
Frequency
28,800 bph
Power Reserve
71 hours
Year
1967

Related Models

seikata-wm-261f594c53a3