Seiko Cal. 3840 - 563

The Seiko 3840-563 represents an important milestone in Seiko's 1971 lineup. Powered by the 3840 caliber with 34j jewels beating at 21,600 bph, it delivers a 40 hours power reserve. [seikata-wm-80a69e83aee7]

Also known as: World Timer, Arnie

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

46mm

Case Thickness

9.7mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

160m

Dial Color

Cream

Jewels

34j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1971

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