Seiko Cal. 4581 - 574

Seiko 4581-574

This Spring Drive model from 1971 features a 44mm Hardlex-Coated Steel case. The Inner Rotating bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-9eee1b981063]

Also known as: Monster, Navigator

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
44mm
Case Thickness
13.7mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Inner Rotating
Water Resistance
30m
Dial Color
Burgundy
Jewels
18j
Frequency
36,000 bph
Power Reserve
57 hours
Year
1971

Related Models

seikata-wm-9eee1b981063