Seiko Cal. 0743 - 540

The 0743-540 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 0743 caliber with 30j jewels beating at 21,600 bph, it delivers a 36 hours power reserve. [seikata-wm-c5d6a5f63580]

Also known as: Samurai, Navigator

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

39mm

Case Thickness

8.2mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Champagne

Jewels

30j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1976

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