Seiko Cal. 0787 - 447

The Seiko 0787-447 represents an important milestone in Seiko's 1979 lineup. Powered by the 0787 caliber with 21j jewels beating at 28,800 bph, it delivers a 47 hours power reserve. [seikata-wm-cde176ceaa82]

Also known as: Tuna, Arnie

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

12.8mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Navy

Jewels

21j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1979

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