Seiko Cal. 7166 - 154

The 7166-154 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 7166 caliber with 21j jewels beating at 36,000 bph, it delivers a 50 hours power reserve. [seikata-wm-8efa5767f816]

Also known as: UFO

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

15.8mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Green

Jewels

21j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1996

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