Seiko Cal. 4428 - 918

The Seiko 4428-918 represents an important milestone in Seiko's 1974 lineup. Powered by the 4428 caliber with 33j jewels beating at 36,000 bph, it delivers a 64 hours power reserve. [seikata-wm-300952896047]

Also known as: World Timer

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

15.4mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Silver

Jewels

33j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1974

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