Seiko Cal. 7031 - 537

Released in 1966, the Cal. 7031 with design code 537 was part of Seiko's domestic market collection. With its 19mm lug width and 13.2mm profile, it sits comfortably on most wrists. [seikata-wm-1ac33be25315]

Also known as: Crown

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

13.2mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Burgundy

Jewels

32j

Frequency

21,600 bph

Power Reserve

58 hours

Year

1966

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