Seiko Cal. 6318 - 157

This Spring Drive model from 1970 features a 41mm PVD Black case. With its 20mm lug width and 11.6mm profile, it sits comfortably on most wrists. [seikata-wm-1ab4b27e3cfb]

Also known as: Rally

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

41mm

Case Thickness

11.6mm

Lug Width

20mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

90m

Dial Color

Blue Sunburst

Jewels

22j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1970

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