Seiko Cal. 4557 - 670

Seiko 4557-670

This Hand-Winding model from 1970 features a 35mm Hardlex-Coated Steel case. The Inner Rotating bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-e0761b6e4350]

Also known as: Helmet, UFO

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
35mm
Case Thickness
12.7mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
70m
Dial Color
Silver
Jewels
28j
Frequency
28,800 bph
Power Reserve
66 hours
Year
1970

Related Models

seikata-wm-e0761b6e4350