Seiko Cal. 5663 - 392

This Quartz model from 1985 features a 46mm PVD Black case. It features a White dial protected by a Hardlex crystal and offers 180m of water resistance. [seikata-wm-b0890f4c2531]

Also known as: Sumo, UFO

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

46mm

Case Thickness

12.2mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

180m

Dial Color

White

Jewels

31j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1985

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