Seiko Cal. 4563 - 667

The Seiko 4563-667 represents an important milestone in Seiko's 1971 lineup. Powered by the 4563 caliber with 21j jewels beating at 36,000 bph, it delivers a 50 hours power reserve. [seikata-wm-e8a5f0073b0b]

Also known as: Sumo

Specifications

Movement

Solar

Case Material

Titanium

Case Width

36mm

Case Thickness

9.7mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Burgundy

Jewels

21j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1971

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