Seiko Cal. 7166 - 642

The 7166-642 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 7166 caliber with 34j jewels beating at 36,000 bph, it delivers a 60 hours power reserve. [seikata-wm-5b955064e8b3]

Also known as: Flighty

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

12.5mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Silver

Jewels

34j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1982

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