Seiko Cal. 4413 - 646

Seiko 4413-646

This Automatic model from 1980 features a 41mm Hardlex-Coated Steel case. The Inner Rotating bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-00146969b54e]

Also known as: Tuna, Silverwave

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
41mm
Case Thickness
14.1mm
Lug Width
22mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
150m
Dial Color
Green
Jewels
32j
Frequency
21,600 bph
Power Reserve
55 hours
Year
1980

Related Models

seikata-wm-00146969b54e