Seiko Cal. 4566 - 746

Released in 1966, the Cal. 4566 with design code 746 was part of Seiko's domestic market collection. Powered by the 4566 caliber with 35j jewels beating at 36,000 bph, it delivers a 69 hours power reserve. [seikata-wm-957f6fd955dd]

Also known as: Sumo, UFO

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

15.0mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

110m

Dial Color

Black

Jewels

35j

Frequency

36,000 bph

Power Reserve

69 hours

Year

1966

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