Seiko Cal. 6366 - 571

Released in 1975, the Cal. 6366 with design code 571 was part of Seiko's domestic market collection. With its 22mm lug width and 13.8mm profile, it sits comfortably on most wrists. [seikata-wm-dde2ba06090a]

Also known as: Helmet, Sea Horse

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

13.8mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Navy

Jewels

31j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1975

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