Seiko Cal. 6613 - 397

Released in 1988, the Cal. 6613 with design code 397 was part of Seiko's domestic market collection. With its 18mm lug width and 12.7mm profile, it sits comfortably on most wrists. [seikata-wm-562677be9ff0]

Also known as: Sumo, Arnie

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

12.7mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

90m

Dial Color

Silver

Jewels

19j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1988

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