Seiko Cal. 4521 - 772

Seiko 4521-772

This Hand-Winding model from 1971 features a 35mm Stainless Steel case. The Inner Rotating bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-5c8bad60667d]

Also known as: Tuna

Specifications

Movement
Hand-Winding
Case Material
Stainless Steel
Case Width
35mm
Case Thickness
15.5mm
Lug Width
20mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
180m
Dial Color
White
Jewels
20j
Frequency
28,800 bph
Power Reserve
39 hours
Year
1971

Related Models

seikata-wm-5c8bad60667d