Seiko Cal. 4574 - 766

The 4574-766 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4574 caliber with 32j jewels beating at 28,800 bph, it delivers a 69 hours power reserve. [seikata-wm-230877ad2cfa]

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

8.0mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Navy

Jewels

32j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1967

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