Seiko Cal. 6615 - 372

Seiko 6615-372

The 6615-372 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6615 caliber with 19j jewels beating at 36,000 bph, it delivers a 49 hours power reserve. [seikata-wm-49028469ee24]

Also known as: Sumo, Bullhead

Specifications

Movement
Spring Drive
Case Material
Gold-Plated
Case Width
46mm
Case Thickness
12.9mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
50m
Dial Color
Burgundy
Jewels
19j
Frequency
36,000 bph
Power Reserve
49 hours
Year
1991

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seikata-wm-49028469ee24