Seiko Cal. 3831 - 597

Released in 1973, the Cal. 3831 with design code 597 was part of Seiko's domestic market collection. The Coin-Edge bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-8c6ba16fa5e9]

Also known as: Crown, Baby Tuna

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

13.5mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Black

Jewels

29j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1973

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