Seiko Cal. 5635 - 503

The Seiko 5635-503 represents an important milestone in Seiko's 1993 lineup. With its 19mm lug width and 8.5mm profile, it sits comfortably on most wrists. [seikata-wm-9c809d8f8b4a]

Also known as: Bullhead, Sportsmatic

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

40mm

Case Thickness

8.5mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Blue Sunburst

Jewels

21j

Frequency

36,000 bph

Power Reserve

46 hours

Year

1993

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