Seiko Cal. 4470 - 957

This Spring Drive model from 1982 features a 44mm PVD Black case. With its 22mm lug width and 8.4mm profile, it sits comfortably on most wrists. [seikata-wm-d02a85033557]

Also known as: Tuna, Crown

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

44mm

Case Thickness

8.4mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

120m

Dial Color

Green

Jewels

21j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1982

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