Seiko Cal. 6635 - 252

This Quartz model from 1981 features a 36mm Two-Tone case. With its 21mm lug width and 8.8mm profile, it sits comfortably on most wrists. [seikata-wm-ec428698d51b]

Also known as: Sportsmatic

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

36mm

Case Thickness

8.8mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

160m

Dial Color

Black

Jewels

30j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1981

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