Omega Speedmaster Mark IV

This is one of my favorite auto chronograph watch I used to own. It exudes masculinity with large diameter, thick dimension, and hooded lugs. It wears big and thick, yet comfortable.

Even though the watch condition is not mint or pristine, I fell in love with this vintage watch. It was okay, good enough for me. Immediately after this acquisition, I was looking for a good example of Mark II and Mark III, but luck has run out on me. In the end, I regretfully sold this watch to fund other purchase.

Watch Spec:
Ref ST176.009
Watch diameter 42mm (excluded crown).
Thickness 15mm
Weight 145gr with bracelet
24hr counter @ subdial.
Central minute and second counter.
Date feature.

Based on Lemania 1340 (starting production year approx 1972), caliber 1040 was one of the most complicated and robust automatic chronograph movement at that time.

Movt Spec:
Omega cal 1040 (modified Lemania 1340).
Movement dimension: diameter 31mm, thickness 8mm.
28.800bph, 45hr power reserve, 17 jewels.
Cam lever design.

For further information regarding Speedmaster Mark series, please look at an article written by the late Chuck Maddox here.

Some more pics:

Seiko Vintage Chronographs

Many years ago I was so obsessed with Seiko vintage chronographs that I used to vow myself I would collect all variants of Seiko auto chrono caliber 6138 and 6139.

Some believed that caliber 6139 is the first automatic column-wheel chronographs released in the market. Some other believed it was the El-Primero. I really couldn't care less. I love auto chronographs, that's all that matters!!!

During my encounters with Seiko cal 6138 and 6139, I was amazed by it's durability, considering they're auto chrono with more moving parts compared to non-chrono movements. However there is one common problem from these vintage auto chrono: STICKY CHRONO PUSHER(S)

I've sold all my 6139 dan 6138 collections. Unfortunately I did not document (photograph) some of my collections before selling them. Please pardon the old and poor picture quality.

6138-0030 "Big Blue"

6139-7100 "Helmet"

6139-6002 "Pepsi"

6138-8020

6139-7002 cushion case aka "JENGKOL"

...and some other 6138 and 6139 without any photographs, including Tokei Zara, Bullhead, UFO, etc...

Archimede Pilot BB42 Automatic

I bought this Archimede with a help from a good friend of mine. I was drawn into its clean, no-nonsense design (homage to original B-Uhr design), highly legible dial, cool PVD case, and bright lume.

Unfortunately it is no longer in my possession to fund other watch purchase.

Mini spec:

Diameter 42mm

Lug width 20mm

Case SS coated with PVD

Movt: ETA 2824 25jewels with date feature
Onion Crown
Front: sapphire crystal
Back: mineral display crystal

Please enjoy the pics