Seiko Cal. 0778 - 548

Seiko 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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