Seiko Cal. 3854 - 687

The Seiko 3854-687 represents an important milestone in Seiko's 1979 lineup. With its 18mm lug width and 14.9mm profile, it sits comfortably on most wrists. [seikata-wm-07d28839a682]

Also known as: Bellmatic

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

14.9mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

90m

Dial Color

White

Jewels

32j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1979

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