Seiko Cal. 5663 - 561

The Seiko 5663-561 represents an important milestone in Seiko's 1966 lineup. Powered by the 5663 caliber with 27j jewels beating at 36,000 bph, it delivers a 54 hours power reserve. [seikata-wm-c0b37871ebc7]

Also known as: Arnie

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

10.1mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

110m

Dial Color

Champagne

Jewels

27j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1966

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