Seiko Cal. 4470 - 431

Released in 1980, the Cal. 4470 with design code 431 was part of Seiko's domestic market collection. It features a Black dial protected by a Hardlex crystal and offers 70m of water resistance. [seikata-wm-b620ebdd7ff0]

Also known as: Tuna

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

44mm

Case Thickness

13.1mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Black

Jewels

30j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1980

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