Seiko Cal. 7031 - 786

The Seiko 7031-786 represents an important milestone in Seiko's 1989 lineup. Powered by the 7031 caliber with 36j jewels beating at 21,600 bph, it delivers a 43 hours power reserve. [seikata-wm-ce814dba259b]

Also known as: Bullhead

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

42mm

Case Thickness

8.9mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

White

Jewels

36j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1989

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