Seiko Cal. 0743 - 340

This Automatic model from 1979 features a 40mm PVD Black case. Powered by the 0743 caliber with 24j jewels beating at 36,000 bph, it delivers a 48 hours power reserve. [seikata-wm-20f43f820c1e]

Also known as: Sumo, Helmet

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

40mm

Case Thickness

14.8mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Burgundy

Jewels

24j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1979

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