Seiko Cal. 0743 - 521

The Seiko 0743-521 represents an important milestone in Seiko's 1973 lineup. Powered by the 0743 caliber with 28j jewels beating at 36,000 bph, it delivers a 39 hours power reserve. [seikata-wm-a77c0a8827a1]

Also known as: Silverwave, Goldfeather

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

34mm

Case Thickness

12.5mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

160m

Dial Color

Cream

Jewels

28j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1973

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