Seiko Cal. 7181 - 166

The 7181-166 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 7181 caliber with 21j jewels beating at 21,600 bph, it delivers a 44 hours power reserve. [seikata-wm-779bc254bc1c]

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

15.4mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

110m

Dial Color

Cream

Jewels

21j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1967

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