Seiko Cal. 6699 - 660

The 6699-660 is a sought-after Spring Drive piece from Seiko's golden era. It features a Silver dial protected by a Sapphire crystal and offers 100m of water resistance. [seikata-wm-bc798bd6f7a3]

Also known as: Goldfeather

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

40mm

Case Thickness

10.9mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Silver

Jewels

18j

Frequency

21,600 bph

Power Reserve

63 hours

Year

1996

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