![Stainless steel Speedmaster professional chronograph wristwatch. Made 1967](http://www.somlo.com/cdn/shop/files/O3155_1.jpg?v=1690909599&width=1445)
![Stainless steel Speedmaster professional chronograph wristwatch. Made 1967](http://www.somlo.com/cdn/shop/files/O3155_2.jpg?v=1690909598&width=1445)
![Stainless steel Speedmaster professional chronograph wristwatch. Made 1967](http://www.somlo.com/cdn/shop/files/O3155_3.jpg?v=1690909599&width=1445)
![Stainless steel Speedmaster professional chronograph wristwatch. Made 1967](http://www.somlo.com/cdn/shop/files/O3155_4.jpg?v=1690909598&width=1445)
![Stainless steel Speedmaster professional chronograph wristwatch. Made 1967](http://www.somlo.com/cdn/shop/files/O3155_5.jpg?v=1690909598&width=1445)
![img](https://cdn.shopify.com/s/files/1/0161/6687/9332/files/O3155_7.jpg?v=1689938588)
![img](https://cdn.shopify.com/s/files/1/0161/6687/9332/files/O3155_6.jpg?v=1689938587)
Information
- Brand: OMEGA
- Year: 1968
- Model: Speedmaster
- Reference: 105.012
- Calibre: 321
- Movement: Manual
- Material: Stainless steel
- Features/complications: Chronograph
- Dial: Black matt dial with luminous painted baton indexes, outer minute/seconds divisions, outermost 1/5 second divisions featuring subsidiary seconds at 9 o’clock, 30 minute register at 3 o’clock and 12 hour register at 6 o’clock with luminous baton hands, and arrowhead centre chronograph seconds
- Case dimensions: 42mm
- Bracelet/strap: Leather strap
- Accessories: Extract from the Archives
- SKU: 02880
Essay
The OMEGA Speedmaster reference 105.012 first appeared in the first quarter of 1964 a few months before the launch of the 105.003. It was the first model to feature an asymmetrical case encompassing guards to protect the crown and pushers from snagging.