Seiko Cal. 4489 - 720

The Seiko 4489-720 represents an important milestone in Seiko's 1986 lineup. It features a White dial protected by a Sapphire crystal and offers 80m of water resistance. [seikata-wm-40d8277d27c5]

Also known as: Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

13.9mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

80m

Dial Color

White

Jewels

35j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1986

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