Seiko Cal. 4564 - 374

The Seiko 4564-374 represents an important milestone in Seiko's 1971 lineup. The Inner Rotating bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-e8f78d25e703]

Also known as: Sumo, Emperor

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

15.3mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Burgundy

Jewels

33j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1971

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