Seiko Cal. 4576 - 650

Released in 1967, the Cal. 4576 with design code 650 was part of Seiko's domestic market collection. Powered by the 4576 caliber with 22j jewels beating at 36,000 bph, it delivers a 50 hours power reserve. [seikata-wm-7dd169714900]

Also known as: Monster, Arnie

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

46mm

Case Thickness

11.5mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Burgundy

Jewels

22j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1967

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