Seiko Cal. 4578 - 853

The Seiko 4578-853 represents an important milestone in Seiko's 1968 lineup. Powered by the 4578 caliber with 24j jewels beating at 21,600 bph, it delivers a 65 hours power reserve. [seikata-wm-2cd72f20c36c]

Also known as: Sumo

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

37mm

Case Thickness

15.6mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Burgundy

Jewels

24j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1968

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