Seiko Cal. 5643 - 547

Released in 1984, the Cal. 5643 with design code 547 was part of Seiko's domestic market collection. Powered by the 5643 caliber with 20j jewels beating at 36,000 bph, it delivers a 36 hours power reserve. [seikata-wm-f86a15ff210b]

Also known as: Golden Tuna

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

39mm

Case Thickness

10.9mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

White

Jewels

20j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1984

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