Seiko Cal. 3864 - 955

The 3864-955 is a sought-after Automatic piece from Seiko's golden era. With its 19mm lug width and 15.1mm profile, it sits comfortably on most wrists. [seikata-wm-3ad153e42c57]

Also known as: Tuna, UFO

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

38mm

Case Thickness

15.1mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Navy

Jewels

36j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1985

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