Seiko Cal. 5643 - 541

Released in 1976, the Cal. 5643 with design code 541 was part of Seiko's domestic market collection. The Coin-Edge bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-367e4fa1dbd4]

Also known as: Flighty

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

37mm

Case Thickness

10.1mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Blue Sunburst

Jewels

25j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1976

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