Seiko Cal. 6617 - 878

Released in 1997, the Cal. 6617 with design code 878 was part of Seiko's domestic market collection. The Fixed bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-8b8ca9048fcc]

Also known as: Sumo, Bellmatic

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

40mm

Case Thickness

11.5mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

50m

Dial Color

Black

Jewels

19j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1997

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