Seiko Cal. 6157 - 747

The 6157-747 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6157 caliber with 26j jewels beating at 28,800 bph, it delivers a 69 hours power reserve. [seikata-wm-6e51eab8129d]

Also known as: Bullhead

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

8.1mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

150m

Dial Color

Green

Jewels

26j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1984

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