Seiko Cal. 7170 - 978

Released in 1995, the Cal. 7170 with design code 978 was part of Seiko's domestic market collection. With its 21mm lug width and 11.2mm profile, it sits comfortably on most wrists. [seikata-wm-9a3c18cde8bb]

Also known as: Sumo, Flighty

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

11.2mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Champagne

Jewels

34j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1995

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