Seiko Cal. 6638 - 898

The 6638-898 is a sought-after Quartz piece from Seiko's golden era. It features a Green dial protected by a Hardlex crystal and offers 190m of water resistance. [seikata-wm-ce459940bb3d]

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

46mm

Case Thickness

9.3mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

190m

Dial Color

Green

Jewels

28j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1993

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