Seiko Cal. 4577 - 860

Seiko 4577-860

This Automatic model from 1970 features a 42mm Hardlex-Coated Steel case. The Inner Rotating bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-9f011367439a]

Also known as: Monster

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
42mm
Case Thickness
13.6mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Inner Rotating
Water Resistance
190m
Dial Color
White
Jewels
30j
Frequency
36,000 bph
Power Reserve
58 hours
Year
1970

Related Models

seikata-wm-9f011367439a