Seiko Cal. 6685 - 306

The Seiko 6685-306 represents an important milestone in Seiko's 1976 lineup. Powered by the 6685 caliber with 19j jewels beating at 28,800 bph, it delivers a 63 hours power reserve. [seikata-wm-bc49b38323c8]

Also known as: Helmet

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

11.1mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Champagne

Jewels

19j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1976

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