Seiko Cal. 3864 - 851

Released in 1991, the Cal. 3864 with design code 851 was part of Seiko's domestic market collection. With its 19mm lug width and 11.8mm profile, it sits comfortably on most wrists. [seikata-wm-d4b2bbb0af4e]

Also known as: Baby Tuna

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

11.8mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

White

Jewels

30j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1991

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