Seiko Cal. 6638 - 917

The Seiko 6638-917 represents an important milestone in Seiko's 1988 lineup. It features a Champagne dial protected by a Sapphire crystal and offers 190m of water resistance. [seikata-wm-e5aa4349f7b0]

Also known as: Turtle

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

41mm

Case Thickness

10.3mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

190m

Dial Color

Champagne

Jewels

28j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1988

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