Seiko Cal. 7166 - 239

Released in 1989, the Cal. 7166 with design code 239 was part of Seiko's domestic market collection. Powered by the 7166 caliber with 34j jewels beating at 21,600 bph, it delivers a 67 hours power reserve. [seikata-wm-9820db67ac3a]

Also known as: Sumo

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

43mm

Case Thickness

15.8mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Blue Sunburst

Jewels

34j

Frequency

21,600 bph

Power Reserve

67 hours

Year

1989

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