Seiko Cal. 7031 - 811

The 7031-811 is a sought-after Hand-Winding piece from Seiko's golden era. The Inner Rotating bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-4c51628073df]

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

11.3mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Blue Sunburst

Jewels

29j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1990

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