Seiko Cal. 6688 - 666

This Hand-Winding model from 1968 features a 35mm Titanium case. Powered by the 6688 caliber with 23j jewels beating at 21,600 bph, it delivers a 47 hours power reserve. [seikata-wm-1d49b9d6434b]

Also known as: Bullhead, Goldfeather

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

35mm

Case Thickness

10.2mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

White

Jewels

23j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1968

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