Seiko Cal. 7056 - 517

The 7056-517 is a sought-after Hand-Winding piece from Seiko's golden era. With its 20mm lug width and 11.2mm profile, it sits comfortably on most wrists. [seikata-wm-c18cbda7bccd]

Also known as: Sportsmatic, Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

11.2mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

30m

Dial Color

Blue Sunburst

Jewels

27j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1971

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