Seiko Cal. 3851 - 285

The Seiko 3851-285 represents an important milestone in Seiko's 1987 lineup. With its 21mm lug width and 14.8mm profile, it sits comfortably on most wrists. [seikata-wm-a684f8eb3f30]

Also known as: Bellmatic, Arnie

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

35mm

Case Thickness

14.8mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

White

Jewels

29j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1987

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