Seiko Cal. 4423 - 787

The Seiko 4423-787 represents an important milestone in Seiko's 1972 lineup. Powered by the 4423 caliber with 23j jewels beating at 28,800 bph, it delivers a 67 hours power reserve. [seikata-wm-09f402d70377]

Also known as: Golden Tuna

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

39mm

Case Thickness

13.9mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Cream

Jewels

23j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1972

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