Seiko Cal. 0765 - 778

The 0765-778 is a sought-after Automatic piece from Seiko's golden era. Powered by the 0765 caliber with 36j jewels beating at 28,800 bph, it delivers a 51 hours power reserve. [seikata-wm-aaa94e7dab4b]

Also known as: Golden Tuna

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

36mm

Case Thickness

8.6mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Cream

Jewels

36j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1979

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