Seiko Cal. 4420 - 583

This Automatic model from 1979 features a 39mm Titanium case. It features a Champagne dial protected by a Sapphire crystal and offers 160m of water resistance. [seikata-wm-a92edee4f1e2]

Also known as: Sumo, UFO

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

39mm

Case Thickness

9.5mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Champagne

Jewels

23j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1979

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