Seiko Cal. 7031 - 701

The 7031-701 is a sought-after Spring Drive piece from Seiko's golden era. With its 20mm lug width and 11.1mm profile, it sits comfortably on most wrists. [seikata-wm-d1bb7e3dd51e]

Also known as: Bullhead, Emperor

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

42mm

Case Thickness

11.1mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Cream

Jewels

21j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1981

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