Seiko Cal. 4428 - 618

The Seiko 4428-618 represents an important milestone in Seiko's 1987 lineup. It features a Cream dial protected by a Mineral crystal and offers 190m of water resistance. [seikata-wm-aa5397ca3c2e]

Also known as: UFO, Navigator

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

9.7mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

190m

Dial Color

Cream

Jewels

25j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1987

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