Seiko Cal. 7031 - 670

The Seiko 7031-670 represents an important milestone in Seiko's 1991 lineup. Powered by the 7031 caliber with 17j jewels beating at 28,800 bph, it delivers a 64 hours power reserve. [seikata-wm-fb0ba65db779]

Also known as: Baby Tuna

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

11.7mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

130m

Dial Color

Blue Sunburst

Jewels

17j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1991

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