Seiko Cal. 7031 - 290

The Seiko 7031-290 represents an important milestone in Seiko's 1991 lineup. The Inner Rotating bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-28ea4696ad05]

Also known as: Bellmatic, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

46mm

Case Thickness

10.4mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Champagne

Jewels

36j

Frequency

21,600 bph

Power Reserve

67 hours

Year

1991

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