Seiko Cal. 4478 - 939

The Seiko 4478-939 represents an important milestone in Seiko's 1978 lineup. It features a Cream dial protected by a Hardlex crystal and offers 90m of water resistance. [seikata-wm-cd6592898d13]

Also known as: Rally

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

42mm

Case Thickness

10.8mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Cream

Jewels

23j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1978

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