Seiko Cal. 5618 - 521

The Seiko 5618-521 represents an important milestone in Seiko's 1987 lineup. The Fixed bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-7dddb777feb1]

Also known as: Tuna, Sea Horse

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

39mm

Case Thickness

12.9mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

150m

Dial Color

Champagne

Jewels

21j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1987

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