Seiko Cal. 4518 - 391

The Seiko 4518-391 represents an important milestone in Seiko's 1971 lineup. It features a Blue Sunburst dial protected by a Sapphire crystal and offers 190m of water resistance. [seikata-wm-4d7bb6074123]

Also known as: Emperor

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

34mm

Case Thickness

13.7mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

190m

Dial Color

Blue Sunburst

Jewels

22j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1971

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