Seiko Cal. 6638 - 619

The Seiko 6638-619 represents an important milestone in Seiko's 1967 lineup. It features a Silver dial protected by a Sapphire crystal and offers 70m of water resistance. [seikata-wm-e8253c918ff3]

Also known as: Silverwave

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

39mm

Case Thickness

10.2mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

70m

Dial Color

Silver

Jewels

19j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1967

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