Seiko Cal. 7166 - 761

The 7166-761 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 7166 caliber with 34j jewels beating at 21,600 bph, it delivers a 57 hours power reserve. [seikata-wm-434c0480f1a3]

Also known as: Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

15.9mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Blue Sunburst

Jewels

34j

Frequency

21,600 bph

Power Reserve

57 hours

Year

1989

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