Seiko Cal. 4577 - 294

Seiko 4577-294

This Automatic model from 1967 features a 37mm PVD Black case. The Inner Rotating bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-a402d52d1a1b]

Also known as: Helmet

Specifications

Movement
Automatic
Case Material
PVD Black
Case Width
37mm
Case Thickness
13.8mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
90m
Dial Color
Blue Sunburst
Jewels
23j
Frequency
36,000 bph
Power Reserve
57 hours
Year
1967

Related Models

seikata-wm-a402d52d1a1b