Seiko Cal. 4490 - 747

This Spring Drive model from 1976 features a 44mm PVD Black case. It features a Black dial protected by a Mineral crystal and offers 40m of water resistance. [seikata-wm-223021280e8b]

Also known as: Rally

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

44mm

Case Thickness

10.5mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Black

Jewels

32j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1976

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