Seiko Cal. 7031 - 435

The Seiko 7031-435 represents an important milestone in Seiko's 1991 lineup. With its 21mm lug width and 9.3mm profile, it sits comfortably on most wrists. [seikata-wm-bc65392cbdbc]

Also known as: Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

9.3mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Green

Jewels

19j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1991

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