Seiko Cal. 4475 - 308

This Spring Drive model from 1970 features a 37mm PVD Black case. It features a Black dial protected by a Acrylic crystal and offers 150m of water resistance. [seikata-wm-7ccfde6a3142]

Also known as: World Timer

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

37mm

Case Thickness

15.7mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Black

Jewels

31j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1970

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