Seiko Cal. 4557 - 438

Seiko 4557-438

This Hand-Winding model from 1986 features a 39mm Titanium case. The Bidirectional bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-6520db2c7929]

Also known as: Tuna

Specifications

Movement
Hand-Winding
Case Material
Titanium
Case Width
39mm
Case Thickness
10.5mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
140m
Dial Color
Blue Sunburst
Jewels
30j
Frequency
28,800 bph
Power Reserve
53 hours
Year
1986

Related Models

seikata-wm-6520db2c7929