Seiko Cal. 6613 - 763

Released in 1968, the Cal. 6613 with design code 763 was part of Seiko's domestic market collection. With its 22mm lug width and 10.5mm profile, it sits comfortably on most wrists. [seikata-wm-e5c875dd89cd]

Also known as: Sea Horse

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

35mm

Case Thickness

10.5mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

80m

Dial Color

Navy

Jewels

23j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1968

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