Seiko Cal. 7031 - 339

Released in 1965, the Cal. 7031 with design code 339 was part of Seiko's domestic market collection. The Rotating bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-08f63ff54ecb]

Also known as: Turtle, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

34mm

Case Thickness

11.0mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

190m

Dial Color

Champagne

Jewels

33j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1965

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