Seiko Cal. 4577 - 437

Seiko 4577-437

This Automatic model from 1965 features a 45mm Two-Tone case. With its 19mm lug width and 14.6mm profile, it sits comfortably on most wrists. [seikata-wm-725ff1a7096f]

Also known as: Helmet

Specifications

Movement
Automatic
Case Material
Two-Tone
Case Width
45mm
Case Thickness
14.6mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
110m
Dial Color
Burgundy
Jewels
30j
Frequency
21,600 bph
Power Reserve
68 hours
Year
1965

Related Models

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