Seiko Cal. 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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