Seiko Cal. 5643 - 822

The 5643-822 is a sought-after Quartz piece from Seiko's golden era. Powered by the 5643 caliber with 31j jewels beating at 21,600 bph, it delivers a 42 hours power reserve. [seikata-wm-e78e88b0488a]

Also known as: Turtle, Tuna

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

13.5mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Blue Sunburst

Jewels

31j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1977

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