Seiko Cal. 7031 - 301

The 7031-301 is a sought-after Spring Drive piece from Seiko's golden era. With its 20mm lug width and 10.3mm profile, it sits comfortably on most wrists. [seikata-wm-73e03ee775b3]

Also known as: UFO

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

37mm

Case Thickness

10.3mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Cream

Jewels

29j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1970

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