Seiko Cal. 4489 - 470

The Seiko 4489-470 represents an important milestone in Seiko's 1985 lineup. Powered by the 4489 caliber with 35j jewels beating at 21,600 bph, it delivers a 50 hours power reserve. [seikata-wm-b1e34ccb473d]

Also known as: Helmet

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

8.0mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Blue Sunburst

Jewels

35j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1985

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