Seiko Cal. 0739 - 766

The 0739-766 is a sought-after Automatic piece from Seiko's golden era. Powered by the 0739 caliber with 25j jewels beating at 21,600 bph, it delivers a 55 hours power reserve. [seikata-wm-beb008ab2d79]

Also known as: Goldfeather, Sportsmatic

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

35mm

Case Thickness

13.5mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Black

Jewels

25j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1983

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