Seiko Cal. 0757 - 780

The 0757-780 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 0757 caliber with 20j jewels beating at 21,600 bph, it delivers a 66 hours power reserve. [seikata-wm-bffeebeec8b1]

Also known as: Turtle, Flighty

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

35mm

Case Thickness

10.6mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Green

Jewels

20j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1981

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