Seiko Cal. 3840 - 386

The Seiko 3840-386 represents an important milestone in Seiko's 1970 lineup. The Inner Rotating bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-e15ed9fa6d29]

Also known as: Turtle, Golden Tuna

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

39mm

Case Thickness

10.4mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

White

Jewels

29j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1970

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