Seiko Cal. 7031 - 577

The 7031-577 is a sought-after Solar piece from Seiko's golden era. Powered by the 7031 caliber with 23j jewels beating at 36,000 bph, it delivers a 48 hours power reserve. [seikata-wm-df739fab77d3]

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

11.8mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Blue Sunburst

Jewels

23j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1966

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