Bulova 1971 Deep Sea Chronograph

Submitted by PJ on April 17, 2020 - 6:40pm
Manufacture Year
Movement Model
Movement Jewels
Case Serial No.
Case shape
Case color
Case Manufacturer
Watch Description

A 1971 Deep Sea. The bezel appears to be that of a typical B model as I haven't seen my example model with the what appears to be a pepsi bezel.  It is indeed a deep sea bezel and correct age. Perhaps a swap sometime or maybe was fitted with it originally? I have seen a B model with the typical plain bezel though. The movement shot shows the Valjoux 7733 markings as well. Recently serviced and working beautifully.

Deep Sea Chroonograph
Deep Sea movement
Deep Sea case back
Posted April 18, 2020 - 4:15am

An amazing highly sort after 1971 Bulova Deep Sea Chronograph "B"

1971_LineBook_BAWD0177 Pg 40

1971 Bulova Chronograph "B"

Posted April 18, 2020 - 8:32am

1971 Bulova Deep Sea Chronograph 

Posted April 18, 2020 - 12:49pm

I thought the B model had a tachymeter. My example does not.

Kathy L.
Posted April 18, 2020 - 2:48pm

1971 Bulova Deep Sea Chronograph

Posted April 18, 2020 - 9:41pm

The more I look at this watch the more I see a mix match of parts between the 31001-1W and the 31003-7W (B).

Your watch has the crown, dial, hands of a 31001-1W, but the case and rotating bezel of a 31003-7W (B).

I think someone has put the guts of a 31001-1W into the case of a 31003-7W.

Meaning it's not a true "B" model so I'd just called it a Bulova Deep Sea Chronograph.

1970 Bulova Deep Sea Chronograph 31001-1W

1970 Bulova Deep Sea Chronograph "B"

Geoff Baker
Posted April 18, 2020 - 10:10pm

Yes, technically the "B" had a Tachymeter, the rotating bezel is faded but I think correct. Here is my example, I suspect the dial is a replacement as the markers don't match as well. I'm comfortable noting the possible swap and  receiving this one into the dB as 1973 Bulova Deep Sea Chronograph B. I'd also be comfortable leaving the "B" off.

At the risk of being a tour guide to the obvious, I note that it's odd Bulova would designate what is clearly a race timing watch as a 'Deep Sea" and put a "dive" strap on it!

Posted April 19, 2020 - 12:25am

In reply to by Geoff Baker

You just never know when you might find yourself doing 1000 miles an hour, 666 feet under water :-)

Posted April 19, 2020 - 12:03pm

Thanks all. I see now the differences with the cases side by side. Should have seen the case difference at first. I’d agree that the movement, dial and hands were likely popped into the B case (albeit not me).  Cheers, Patrick 

Posted April 19, 2020 - 12:09pm

Based on the desirability of this watch line, my vote is Deep Sea Chronograph , noting it's a potential 1/2 and 1/2 of 2 similar models.