Seiko Cal. 6631 - 884

The Seiko 6631-884 represents an important milestone in Seiko's 1988 lineup. It features a White dial protected by a Mineral crystal and offers 70m of water resistance. [seikata-wm-fb269144821e]

Also known as: Rally

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

43mm

Case Thickness

12.1mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

70m

Dial Color

White

Jewels

26j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1988

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