Seiko Cal. 7031 - 398

The Seiko 7031-398 represents an important milestone in Seiko's 1974 lineup. The Inner Rotating bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-7fa637fb4afd]

Also known as: Silverwave, Goldfeather

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

43mm

Case Thickness

9.8mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

White

Jewels

32j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1974

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