Seiko Cal. 4490 - 920

Released in 1986, the Cal. 4490 with design code 920 was part of Seiko's domestic market collection. It features a Cream dial protected by a Acrylic crystal and offers 60m of water resistance. [seikata-wm-dcfa5acf13fa]

Also known as: Sumo, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

41mm

Case Thickness

13.9mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Cream

Jewels

33j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1986

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