2C21-5279 2C21-5280 2C21-5290 2C21-5310 2C21-5320 2C21-5330 2C21-5340 2C21-534A 2C21-534B 2C21-5350 2C21-5360 2C21-5380 2C21-5390 2C21-5400 2C21-5409 2C21-5410 …

Tube 2C21 or Röhre 2C21 ID13224, Double Triode, 7-Pin-Base-general, old, USA and VHF shown. Radio tubes are valves.

Get the best deals for Seiko 2c21 at eBay.com. We have a great online selection at the lowest prices with Fast & Free shipping on many items!

The Seiko 2C21-5180 is a watch model based on the 2C21 movement.

Seiko Canon Quartz 2C21-0120 base metal St.Steel back / case no.443702 , made in Japan. All original parts with good condition. Price 300$ with included shipping fee, 0909085276.

This is a suitable replacement for any 2C21 / 1642 tube type. Various brands.Price is for a Single Tube

MOVEMENT: Seiko 2C21 quartz movement, manufactured in March 1985; movement uses a button-cell battery. CROWN: Unsigned Seiko crown. Of note, this Seiko Contra comes with …

SPG 膜 （Shirasu Porous Glass）是日本SPG 公司在 1981 年开发出来的新型无机膜， SPG 膜具有一致的、均匀的微小孔径，而且孔径的大小很容易改变， SPG 膜在生产过程中，首先是将 …

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Model: Seiko Quartz 'Contra Fieldmaster' Reference Number: 2C21-0080 Serial: 430021 Date: March 1984 Box & Papers: Watch only. Case Size: 28mm Lug to Lug: 30.6mm Functions: All …