Seiko Cal. 5643 - 247

The Seiko 5643-247 represents an important milestone in Seiko's 1978 lineup. Powered by the 5643 caliber with 19j jewels beating at 28,800 bph, it delivers a 46 hours power reserve. [seikata-wm-ba6aa3c3caf5]

Also known as: Arnie

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

14.9mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

180m

Dial Color

Black

Jewels

19j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1978

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