Seiko Cal. 0743 - 189

The 0743-189 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 0743 caliber with 24j jewels beating at 28,800 bph, it delivers a 62 hours power reserve. [seikata-wm-543360b9d402]

Also known as: Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

8.5mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

40m

Dial Color

Navy

Jewels

24j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1971

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