Most of the offerings in Seiko's 6139 line up are quite easily recognizable, but one variant stands alone in it's architecture. The "Pulsations," as it's more commonly known, is an eye-catching doctor's chronograph with features all it's own, and an undeniable presence on the wrist. This example from January of ‘72 boasts a silver sunburst dial with a slick lacquer finish and polished applied markers and hands. The chronograph hands stand out in a flash of brick orange to add a perfect color pop. Just beyond the dial is the rotating inner bezel in a glossy black and silver, and is laid out in a "Base 10" scale for determining a resting heart rate. The case sports a low profile bezel and sculpted lugs, and has a thinner profile perfect for sliding just under a crisp cuff. This watch is in phenomenal condition considering it’s been around for nearly a half-century, and original examples are becoming impossible to find. The 6139B is keeping near perfect time post service, and the the chronograph functions are crisp and responsive. For contrast, we've paired it with a black distressed leather that sets off the dial and is the perfect middle ground between casual and formal.

Clockwork Synergy Black Distressed Leather with Reverse Stitch (clockworksynergy.com)

Serviced 9/30/18

Diameter 40mm

Lugs 19mm