Seiko Cal. 4489 - 318

Released in 1978, the Cal. 4489 with design code 318 was part of Seiko's domestic market collection. It features a Blue Sunburst dial protected by a Sapphire crystal and offers 100m of water resistance. [seikata-wm-52dc0050dafe]

Also known as: Monster, Navigator

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

37mm

Case Thickness

14.7mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

100m

Dial Color

Blue Sunburst

Jewels

31j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1978

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