Seiko Cal. 3831 - 513

The Seiko 3831-513 represents an important milestone in Seiko's 1969 lineup. The Inner Rotating bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-9ee2ba5082b9]

Also known as: Turtle, Golden Tuna

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

9.1mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Burgundy

Jewels

21j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1969

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