There were over 300,000 built. It is also accurate and gives plenty of power reserve. This manual wind calibre, created in 1962, has 17 jewels. It has been adjusted to two positions. Calibre 601 has been based on the very successful Calibre 550 series.
eBay
NH35 Watch Hands Metal Watch Pointer Blue Second Hand with Green Luminous Watch Accessories for NH35 NH36 Movement
Aliexpress UK
With a Silvered Dial + Original Crown, and Original Crystal. In lovely condition. The original (engraved) crystal is in nice condition, with no cracks or deep scratches - minor scuffs will be polished out with polywatch, hopefully.
eBay
2pcs Aluminum Alloy Watch Hand Presser Watch Hour Minute Second Hand Pressing Setting Removing Watch Repair Tool for Watchmaker
Aliexpress UK
Great Condition. The sapphire (?). Crystal is clean, with no cracks or deep scratches. The steel bracelet is original and in good condition, with a tight clasp and a capacity for a large wrist (likely spare links leftover).
eBay
Watch Accessories Mechanical Watch Hands 6 Colors Watches Second Hands for NH35/NH36 Movement
Aliexpress UK
Production lineSeamaster Planet Ocean Chronograph. Belt MaterialStainless Steel. Model Number2218.50. Comprehensive Evaluation Rank:A. Be sure to check ! CUsable Item has scratches, discoloration and other heavy signs of usage.
eBay
Watch Accessories Watch Hands for 3135 Movement Hour Minute Second Hand Diving Green Luminous Pointer Watch Replacement Parts
Aliexpress UK
Great Condition. The original silvered dial is clean, with black hands and batons, a sweeping seconds hand and a date aperture to 3 o'clock. The date also rolls over at midnight. The steel of the case, lugs, screwback case, original crown and original bezel are all in great condition.
eBay
2pcs Aluminum Alloy Watch Hand Presser Watch Hour Minute Second Hand Pressing Setting Removing Watch Repair Tool for Watchmaker
Aliexpress UK
9ct gold case, the snap on case back signed inside Dennison and numbered 13322 and 546715. Hallmarked Birmingham 1953. Just had a full service and in excellent working order.
eBay
Watch Hands for NH35/NH36 Movement Retrofit Mechanical Watch Needle Second Hand Watch Accessories
Aliexpress UK
There are light scratches to this watch.
eBay
Blue Luminous Watch Hands Black/Rose/Silver Edge Second Hands Watch Accessories for PP Watch NH35/NH36/4R35/4R36 Movement
Aliexpress UK
Another piece where the pictures do the talking. This really is a classic 1950s example. These cases really are built like tanks! A highly attractive dial with an unusually simple and understated appeal, while still possessing amazing design.
eBay
2pcs Aluminum Alloy Watch Hand Presser Watch Hour Minute Second Hand Pressing Setting Removing Watch Repair Tool for Watchmaker
Aliexpress UK