Seiko Cal. 6311 - 266

This Hand-Winding model from 1978 features a 40mm PVD Black case. With its 18mm lug width and 10.1mm profile, it sits comfortably on most wrists. [seikata-wm-438d212044e5]

Also known as: Rally, Sea Horse

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

40mm

Case Thickness

10.1mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

40m

Dial Color

Champagne

Jewels

21j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1978

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