Seiko Cal. 5643 - 506

The Seiko 5643-506 represents an important milestone in Seiko's 1968 lineup. The Coin-Edge bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-5e3b4157558b]

Also known as: Arnie

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

46mm

Case Thickness

12.5mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Champagne

Jewels

22j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1968

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