Seiko Cal. 6157 - 772

The 6157-772 is a sought-after Quartz piece from Seiko's golden era. Powered by the 6157 caliber with 23j jewels beating at 36,000 bph, it delivers a 56 hours power reserve. [seikata-wm-a1c1f1dc3761]

Also known as: Sumo, Bullhead

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

46mm

Case Thickness

15.0mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

180m

Dial Color

Navy

Jewels

23j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1972

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