Seiko Cal. 4490 - 313

The Seiko 4490-313 represents an important milestone in Seiko's 1991 lineup. It features a Green dial protected by a Mineral crystal and offers 50m of water resistance. [seikata-wm-d9cfc4221ede]

Also known as: Tuna

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

41mm

Case Thickness

8.3mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

50m

Dial Color

Green

Jewels

25j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1991

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