Seiko Cal. 4540 - 872

The 4540-872 is a sought-after Automatic piece from Seiko's golden era. Powered by the 4540 caliber with 31j jewels beating at 36,000 bph, it delivers a 36 hours power reserve. [seikata-wm-cd5e13e06486]

Also known as: Monster

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

42mm

Case Thickness

13.1mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Burgundy

Jewels

31j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1983

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