Seiko Cal. 6638 - 362

The 6638-362 is a sought-after Quartz piece from Seiko's golden era. Powered by the 6638 caliber with 22j jewels beating at 36,000 bph, it delivers a 47 hours power reserve. [seikata-wm-23b0b5dd0a93]

Also known as: Sportsmatic

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

41mm

Case Thickness

14.6mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

White

Jewels

22j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1994

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