Seiko Cal. 4578 - 161

The 4578-161 is a sought-after Automatic piece from Seiko's golden era. Powered by the 4578 caliber with 19j jewels beating at 28,800 bph, it delivers a 39 hours power reserve. [seikata-wm-fad18e0068e5]

Also known as: Monster

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

46mm

Case Thickness

8.7mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Black

Jewels

19j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1970

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