Seiko Cal. 7057 - 810

Released in 1970, the Cal. 7057 with design code 810 was part of Seiko's domestic market collection. With its 19mm lug width and 10.7mm profile, it sits comfortably on most wrists. [seikata-wm-bc74e8ce59ab]

Also known as: Sumo, Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

43mm

Case Thickness

10.7mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Navy

Jewels

22j

Frequency

21,600 bph

Power Reserve

67 hours

Year

1970

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