Seiko Cal. 4431 - 921

Seiko 4431-921

This Solar model from 1988 features a 40mm Hardlex-Coated Steel case. The Fixed bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-c9ea80c1bd44]

Also known as: Silverwave

Specifications

Movement
Solar
Case Material
Hardlex-Coated Steel
Case Width
40mm
Case Thickness
14.9mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Fixed
Water Resistance
90m
Dial Color
Green
Jewels
30j
Frequency
36,000 bph
Power Reserve
58 hours
Year
1988

Related Models

seikata-wm-c9ea80c1bd44