Seiko Cal. 6636 - 346

The Seiko 6636-346 represents an important milestone in Seiko's 1990 lineup. With its 19mm lug width and 11.0mm profile, it sits comfortably on most wrists. [seikata-wm-96b057d3e7b9]

Also known as: Sportsmatic, Emperor

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

11.0mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Burgundy

Jewels

17j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1990

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