Seiko Column Wheel Chronograph

Seiko s contribution to the development of the chronograph is well known thanks to the 1969 release of caliber 6139 the world s first automatic chronograph with a column wheel and vertical clutch.

Seiko column wheel chronograph.

Seiko was the first to market with a vertical clutch column wheel chronograph in 1969 with cal. Tag started with the seiko 6s37 column wheel chronograph and adapted it to suit their needs doing things like moving the balance wheel s position flattening the movement out overall and reconfiguring the main plate bridge and oscillator architecture. Ssc667 4 6 out of 5 stars 320. It s a very clean and effective solution already found on the seiko 8r28 a higher end column wheel triple vertical clutch movement utilized in the ananta and velatura models.

Seiko presage srq023 at 2 400 seiko s presage chronograph represents one of the greatest values in watchmaking. For starters it features an in house chronograph movement with a column wheel and vertical clutch something not even seen on watches that cost twice the seiko s asking price. 6139 and the company takes these technologies to a new level in cal. That then moves the clutch rocker away from its detent.

In fact however the history of seiko s chronographs started long before with a pocket watch chronograph made in the early 1940 s. In addition the combination of titanium and ceramic are congruent with the overall modern design of a new generation of grand seiko chronographs. The spring drive chronograph combines traditional historical elements from conventional horology such as the pillar wheel with spring drive s electromagnetic time regulating system. A bit over two years after their launch of the first automatic spring drive they at last debuted the chronograph version with the 9r86 caliber in 2007.

1887 on the sub seconds dial. Seiko says that from the very first steps in developing an automatic winding spring drive it was among their goals to develop a chronograph with high accuracy. Get it as soon as thu oct 8. Click to stop and the column wheel turns the other way stopping the mechanism.

The rocker then engages with the oscillating pinion with the chronograph wheel and the hand starts moving. Men s recraft series stainless steel japanese quartz watch with nylon strap black 21 65 model. Rather than driving the minute and hour counters from the chronograph seconds wheel each is driven by a powered wheel with its own clutch. This in turn moves the column wheel operating lever which moves the wheel one click or turret.