Seiko Cal. 6634 - 419

The Seiko 6634-419 represents an important milestone in Seiko's 1986 lineup. With its 19mm lug width and 14.3mm profile, it sits comfortably on most wrists. [seikata-wm-d1cde7426db0]

Also known as: Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

45mm

Case Thickness

14.3mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Navy

Jewels

32j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1986

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