Seiko Cal. 4431 - 561

Seiko 4431-561

This Solar model from 1970 features a 44mm Hardlex-Coated Steel case. The Coin-Edge bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-8725ac8a41cf]

Specifications

Movement
Solar
Case Material
Hardlex-Coated Steel
Case Width
44mm
Case Thickness
10.3mm
Lug Width
21mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
50m
Dial Color
Navy
Jewels
27j
Frequency
28,800 bph
Power Reserve
38 hours
Year
1970

Related Models

seikata-wm-8725ac8a41cf