Seiko Cal. 0778 - 548

This Automatic model from 1971 features a 39mm Titanium case. Powered by the 0778 caliber with 17j jewels beating at 21,600 bph, it delivers a 69 hours power reserve. [seikata-wm-86cf4b204b9a]

Also known as: Tuna, UFO

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

39mm

Case Thickness

12.5mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Navy

Jewels

17j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1971

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