Seiko Cal. 6638 - 786

The Seiko 6638-786 represents an important milestone in Seiko's 1991 lineup. It features a White dial protected by a Acrylic crystal and offers 180m of water resistance. [seikata-wm-f6a449de4d00]

Also known as: Rally

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

35mm

Case Thickness

8.0mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

180m

Dial Color

White

Jewels

26j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1991

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