Seiko Cal. 6659 - 166

The 6659-166 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6659 caliber with 36j jewels beating at 21,600 bph, it delivers a 37 hours power reserve. [seikata-wm-91b60252fa2e]

Also known as: Goldfeather, Arnie

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

40mm

Case Thickness

12.7mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

White

Jewels

36j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1977

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