Seiko Cal. 3831 - 522

Released in 1965, the Cal. 3831 with design code 522 was part of Seiko's domestic market collection. The Rotating bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-b3dfaa5ee84c]

Also known as: Rally, Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

10.2mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

40m

Dial Color

Navy

Jewels

31j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1965

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