Seiko Cal. 4489 - 378

This Hand-Winding model from 1969 features a 46mm Two-Tone case. Powered by the 4489 caliber with 19j jewels beating at 36,000 bph, it delivers a 58 hours power reserve. [seikata-wm-fdc29507c15d]

Also known as: Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

46mm

Case Thickness

13.5mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Green

Jewels

19j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1969

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