Review PUW 260-1260-261-1261

West german movement manufacture PUW developed calibre 260 around 1960. They designed the 1260 auto version in mind:

260 manual/1260 Automatic
261 manual date/1261 Automatic: date

PUW 260-1261

  • Made approximately: 1960
  • Made in West Germany
  • Power reserve 41h
  • 17-25 Jewels 
  • 18000 B/A
  • Lift angle 52°
  • DM 26.0mm
  • H 3.7-5.1mm

Surface finish is utilitarian with no decoration. Screws are polished and of acceptable finish. Balance has full shock protection. 

Top surface finish on plates: 6 Points

Surface finish on screws: 6 Points

Surface finish on ratchet and ratchet wheel: 4 Points

Movement Jeweling: 6-8* Points

The movement is designed to be a centre second movement and quite modern for its time. 

Movement design innovation (for 1960):  7 points

The PUW base plate has a utilitarian finsih. Winding, date and setting mechanisms are well made, but with a low finish on the screws. Gear train has a decent finish. Setting the time feels balanced. Date change is a little sluggish. 

Base plate finish: 5 Points

Setting and winding mechanism: 6 Points

Date change snappiness: 4 Points*

Gear-train finish: 7 Points

Movement durability: 6 Points

The autowinder winds in both directions and is fairly smooth when winding manually, but is prone to wear especially in base jewelled version. 

Autowinder: 6 Points 

The PUW time keeping is acceptable.

Accuracy: 7

Power reserve is fair: 7 points 

Power reserve of 39 hours is acceptable

Power reserve: 7 Points

PUW 260-1260-261-1261 summary: 

Surface finish on bridges and top side of base plate: 6

Surface finish screws: 6

Surface finish on ratchet and ratchet wheel: 4

Movement Jeweling: 6-8*

Movement innovative design for ca 1955: 7 

Base plate finish: 5

Setting and winding mechanism: 6

Date change snappiness: 4*

Gear-train finish: 7

Movement durability: 6

Total bonus points: 2*

Autowinder: 6

Accuracy: 7

Power reserve: 7

Grand total: 77-79*

*Higher jewelled variant 

Movement weak points are auto mechanism can wear causing Derby to fall into base movement.