Seiko Cal. 5623 - 857

This Quartz model from 1989 features a 40mm Two-Tone case. It features a Black dial protected by a Sapphire crystal and offers 140m of water resistance. [seikata-wm-8425d8082b13]

Also known as: World Timer, Flighty

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

40mm

Case Thickness

8.6mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Black

Jewels

27j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1989

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