Seiko Cal. 4431 - 647

Seiko 4431-647

This Quartz model from 1974 features a 40mm Titanium case. The Rotating bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-5a8f217d5755]

Also known as: Goldfeather, Sea Horse

Specifications

Movement
Quartz
Case Material
Titanium
Case Width
40mm
Case Thickness
12.1mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
60m
Dial Color
Green
Jewels
23j
Frequency
21,600 bph
Power Reserve
61 hours
Year
1974

Related Models

seikata-wm-5a8f217d5755