Seiko Cal. 7031 - 679

This Automatic model from 1982 features a 38mm Stainless Steel case. Powered by the 7031 caliber with 26j jewels beating at 21,600 bph, it delivers a 50 hours power reserve. [seikata-wm-cb833f679ed2]

Also known as: Tuna, Emperor

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

8.5mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Silver

Jewels

26j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1982

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