Seiko Cal. 4560 - 923

The 4560-923 is a sought-after Automatic piece from Seiko's golden era. Powered by the 4560 caliber with 34j jewels beating at 28,800 bph, it delivers a 67 hours power reserve. [seikata-wm-ac883126b1e9]

Also known as: Monster, World Timer

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

13.8mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Green

Jewels

34j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1979

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