Seiko Cal. 3869 - 420

The 3869-420 is a sought-after Automatic piece from Seiko's golden era. The Rotating bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-ce1daa7124e4]

Also known as: Tuna, Sea Horse

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

10.6mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

160m

Dial Color

Navy

Jewels

19j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1976

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