Seiko Cal. 4577 - 422

Seiko 4577-422

This Automatic model from 1968 features a 45mm PVD Black case. It features a Champagne dial protected by a Sapphire crystal and offers 80m of water resistance. [seikata-wm-b0be6ee81b35]

Also known as: Sumo, Baby Tuna

Specifications

Movement
Automatic
Case Material
PVD Black
Case Width
45mm
Case Thickness
8.4mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
80m
Dial Color
Champagne
Jewels
33j
Frequency
28,800 bph
Power Reserve
55 hours
Year
1968

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