Seiko Cal. 6635 - 485

The Seiko 6635-485 represents an important milestone in Seiko's 1989 lineup. With its 22mm lug width and 8.4mm profile, it sits comfortably on most wrists. [seikata-wm-785a7f062cd3]

Also known as: Bullhead, Baby Tuna

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

8.4mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

60m

Dial Color

Black

Jewels

22j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1989

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