Seiko Cal. 0778 - 536

The 0778-536 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 0778 caliber with 19j jewels beating at 36,000 bph, it delivers a 68 hours power reserve. [seikata-wm-ca4bd911e4bb]

Also known as: Tuna, UFO

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

8.1mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Black

Jewels

19j

Frequency

36,000 bph

Power Reserve

68 hours

Year

1985

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