Seiko Cal. 4431 - 554

Seiko 4431-554

This Hand-Winding model from 1987 features a 46mm Titanium case. The Coin-Edge bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-6cf10d3e6a06]

Also known as: Tuna, World Timer

Specifications

Movement
Hand-Winding
Case Material
Titanium
Case Width
46mm
Case Thickness
13.1mm
Lug Width
20mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
180m
Dial Color
Blue Sunburst
Jewels
22j
Frequency
28,800 bph
Power Reserve
39 hours
Year
1987

Related Models

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