Seiko Cal. 6163 - 536

Released in 1966, the Cal. 6163 with design code 536 was part of Seiko's domestic market collection. With its 18mm lug width and 12.2mm profile, it sits comfortably on most wrists. [seikata-wm-87ae23fe44d3]

Also known as: Sumo, Helmet

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

12.2mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Burgundy

Jewels

32j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1966

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