1986 Seiko 7a28-7129 Raf-issued Gen 1 Chronograph 4630/87
Details:
The 7A28 holds the distinction of being the world’s first analogue quartz chronograph, marking a significant innovation in timekeeping. Introduced in the early 1980s, the UK military sought a new pilot chronograph to replace the Valjoux 7733-powered models used in the previous decade. The 7A28 movement, launched in 1983, caught the attention of the Ministry of Defence (MoD) by 1984, leading to a contract that lasted until 1991. In total, 11,307 units were produced with specific stamped numbers...
Specifications:
| Price: | $ 1,350 |
|---|---|
| Model: | Seiko Chronograph |
| Condition: | Pre-owned |
| Location: | , Bangkok |
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