Seiko Cal. 7078 - 783

This Spring Drive model from 1968 features a 46mm Titanium case. Powered by the 7078 caliber with 20j jewels beating at 21,600 bph, it delivers a 39 hours power reserve. [seikata-wm-c22b837bb20b]

Also known as: Turtle, Crown

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

46mm

Case Thickness

9.5mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Black

Jewels

20j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1968

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