Seiko Cal. 6615 - 780

Seiko 6615-780

The 6615-780 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6615 caliber with 32j jewels beating at 28,800 bph, it delivers a 63 hours power reserve. [seikata-wm-a9316c258ab0]

Also known as: Sumo, Sportsmatic

Specifications

Movement
Spring Drive
Case Material
PVD Black
Case Width
45mm
Case Thickness
15.3mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
190m
Dial Color
Champagne
Jewels
32j
Frequency
28,800 bph
Power Reserve
63 hours
Year
1987

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seikata-wm-a9316c258ab0