Seiko Cal. 6647 - 182

Released in 1970, the Cal. 6647 with design code 182 was part of Seiko's domestic market collection. With its 20mm lug width and 9.2mm profile, it sits comfortably on most wrists. [seikata-wm-5dcf6ba5acea]

Also known as: Sportsmatic, Baby Tuna

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

9.2mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

160m

Dial Color

White

Jewels

28j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1970

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