Seiko Cal. 6638 - 912

The 6638-912 is a sought-after Quartz piece from Seiko's golden era. With its 19mm lug width and 13.8mm profile, it sits comfortably on most wrists. [seikata-wm-7fe9fd3f2876]

Also known as: Turtle, Baby Tuna

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

13.8mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Navy

Jewels

25j

Frequency

36,000 bph

Power Reserve

68 hours

Year

1998

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