Seiko Cal. 7031 - 396

The Seiko 7031-396 represents an important milestone in Seiko's 1985 lineup. Powered by the 7031 caliber with 27j jewels beating at 28,800 bph, it delivers a 40 hours power reserve. [seikata-wm-1ebbc992044a]

Also known as: Bullhead, Golden Tuna

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

40mm

Case Thickness

10.5mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

50m

Dial Color

Cream

Jewels

27j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1985

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