Seiko Cal. 3865 - 331

The 3865-331 is a sought-after Automatic piece from Seiko's golden era. With its 22mm lug width and 11.8mm profile, it sits comfortably on most wrists. [seikata-wm-0662b5bf60ca]

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

46mm

Case Thickness

11.8mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

120m

Dial Color

Champagne

Jewels

28j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1985

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