Seiko Cal. 5618 - 638

The Seiko 5618-638 represents an important milestone in Seiko's 1986 lineup. It features a White dial protected by a Hardlex crystal and offers 150m of water resistance. [seikata-wm-0e1d4815c14c]

Also known as: World Timer, Emperor

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

38mm

Case Thickness

12.5mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

150m

Dial Color

White

Jewels

28j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1986

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