Seiko Cal. 6678 - 215

The Seiko 6678-215 represents an important milestone in Seiko's 1983 lineup. With its 22mm lug width and 12.1mm profile, it sits comfortably on most wrists. [seikata-wm-684245367ae0]

Also known as: Sumo

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

12.1mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

30m

Dial Color

White

Jewels

35j

Frequency

28,800 bph

Power Reserve

68 hours

Year

1983

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