Seiko Cal. 0740 - 393

This Automatic model from 1974 features a 36mm Stainless Steel case. Powered by the 0740 caliber with 24j jewels beating at 21,600 bph, it delivers a 40 hours power reserve. [seikata-wm-a110d6003a17]

Also known as: Silverwave, Baby Tuna

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

10.1mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

200m

Dial Color

Cream

Jewels

24j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1974

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