Seiko Cal. 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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