Seiko Cal. 6685 - 866

The 6685-866 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6685 caliber with 29j jewels beating at 28,800 bph, it delivers a 62 hours power reserve. [seikata-wm-39b8e074abe0]

Also known as: Silverwave

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

14.5mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Burgundy

Jewels

29j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1978

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