Seiko Cal. 4489 - 107

The Seiko 4489-107 represents an important milestone in Seiko's 1976 lineup. Powered by the 4489 caliber with 22j jewels beating at 36,000 bph, it delivers a 50 hours power reserve. [seikata-wm-e5f2c014e50f]

Also known as: Sportsmatic, Emperor

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

40mm

Case Thickness

9.1mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Cream

Jewels

22j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1976

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