Seiko Cal. 6685 - 390

The 6685-390 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 6685 caliber with 20j jewels beating at 28,800 bph, it delivers a 68 hours power reserve. [seikata-wm-5be02f7eea12]

Also known as: Tuna, Emperor

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

8.8mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Champagne

Jewels

20j

Frequency

28,800 bph

Power Reserve

68 hours

Year

1969

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