Seiko Cal. 4477 - 863

The Seiko 4477-863 represents an important milestone in Seiko's 1977 lineup. Powered by the 4477 caliber with 20j jewels beating at 28,800 bph, it delivers a 60 hours power reserve. [seikata-wm-879741cb3f32]

Also known as: World Timer

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

12.1mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Navy

Jewels

20j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1977

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