Seiko Cal. 6115 - 731

Seiko 6115-731

The 6115-731 is a sought-after Solar piece from Seiko's golden era. Powered by the 6115 caliber with 19j jewels beating at 21,600 bph, it delivers a 45 hours power reserve. [seikata-wm-882b7aa2aeaa]

Also known as: Bullhead

Specifications

Movement
Solar
Case Material
Two-Tone
Case Width
42mm
Case Thickness
15.9mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
170m
Dial Color
Silver
Jewels
19j
Frequency
21,600 bph
Power Reserve
45 hours
Year
1974

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