Seiko Cal. 5643 - 843

Released in 1972, the Cal. 5643 with design code 843 was part of Seiko's domestic market collection. With its 19mm lug width and 12.3mm profile, it sits comfortably on most wrists. [seikata-wm-dc7bc5c376d2]

Also known as: Crown, Baby Tuna

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

12.3mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

170m

Dial Color

Champagne

Jewels

25j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1972

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