Seiko Cal. 4431 - 254

Seiko 4431-254

This Hand-Winding model from 1985 features a 39mm Titanium case. The Inner Rotating bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-ca64885c9905]

Also known as: Tuna, Baby Tuna

Specifications

Movement
Hand-Winding
Case Material
Titanium
Case Width
39mm
Case Thickness
14.9mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Inner Rotating
Water Resistance
120m
Dial Color
Blue Sunburst
Jewels
33j
Frequency
21,600 bph
Power Reserve
56 hours
Year
1985

Related Models

seikata-wm-ca64885c9905