Seiko Cal. 7057 - 509

The Seiko 7057-509 represents an important milestone in Seiko's 1978 lineup. With its 20mm lug width and 12.8mm profile, it sits comfortably on most wrists. [seikata-wm-df1a599d7b61]

Also known as: Shogun, Bellmatic

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

34mm

Case Thickness

12.8mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Green

Jewels

17j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1978

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