Seiko Cal. 6617 - 904

Released in 1982, the Cal. 6617 with design code 904 was part of Seiko's domestic market collection. With its 21mm lug width and 9.3mm profile, it sits comfortably on most wrists. [seikata-wm-a645dbeb9ea5]

Also known as: Bullhead

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

9.3mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Champagne

Jewels

23j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1982

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