Seiko Cal. 6638 - 894

The 6638-894 is a sought-after Quartz piece from Seiko's golden era. It features a White dial protected by a Sapphire crystal and offers 170m of water resistance. [seikata-wm-a3e51c3a9207]

Also known as: Bellmatic, Flighty

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

15.0mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

White

Jewels

18j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1991

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