Seiko Cal. 4489 - 472

The Seiko 4489-472 represents an important milestone in Seiko's 1986 lineup. Powered by the 4489 caliber with 28j jewels beating at 21,600 bph, it delivers a 69 hours power reserve. [seikata-wm-76b2da8a213d]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

12.9mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Champagne

Jewels

28j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1986

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