Seiko Cal. 7031 - 890

The Seiko 7031-890 represents an important milestone in Seiko's 1989 lineup. Powered by the 7031 caliber with 27j jewels beating at 28,800 bph, it delivers a 63 hours power reserve. [seikata-wm-c8c9ae2aef5d]

Also known as: Rally, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

13.8mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

170m

Dial Color

Navy

Jewels

27j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1989

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