Seiko Cal. 0740 - 393

Seiko 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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seikata-wm-a110d6003a17