Seiko Cal. 6613 - 978

Released in 1982, the Cal. 6613 with design code 978 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-a7834fad8dbd]

Also known as: Navigator, Arnie

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

38mm

Case Thickness

12.2mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Navy

Jewels

23j

Frequency

21,600 bph

Power Reserve

41 hours

Year

1982

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