Seiko Cal. 7031 - 590

The Seiko 7031-590 represents an important milestone in Seiko's 1969 lineup. The Inner Rotating bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-3a818e19028b]

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

44mm

Case Thickness

10.9mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Black

Jewels

24j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1969

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