Seiko Cal. 0740 - 732

This Hand-Winding model from 1966 features a 36mm Hardlex-Coated Steel case. Powered by the 0740 caliber with 23j jewels beating at 21,600 bph, it delivers a 48 hours power reserve. [seikata-wm-f7eaf46840db]

Also known as: Tuna, Goldfeather

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

12.1mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

90m

Dial Color

Navy

Jewels

23j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1966

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