Seiko Cal. 6613 - 139

Released in 1988, the Cal. 6613 with design code 139 was part of Seiko's domestic market collection. With its 20mm lug width and 12.9mm profile, it sits comfortably on most wrists. [seikata-wm-13c10ec4bbff]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

46mm

Case Thickness

12.9mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

White

Jewels

22j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1988

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