Seiko Cal. 4478 - 435

The Seiko 4478-435 represents an important milestone in Seiko's 1984 lineup. Powered by the 4478 caliber with 29j jewels beating at 36,000 bph, it delivers a 56 hours power reserve. [seikata-wm-8eec7999e95a]

Also known as: World Timer

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

39mm

Case Thickness

12.1mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Burgundy

Jewels

29j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1984

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