Seiko Cal. 6678 - 424

Seiko 6678-424

This Solar model from 1978 features a 39mm Titanium case. Powered by the 6678 caliber with 18j jewels beating at 21,600 bph, it delivers a 48 hours power reserve. [seikata-wm-f2ec5002a851]

Also known as: Bullhead

Specifications

Movement
Solar
Case Material
Titanium
Case Width
39mm
Case Thickness
14.4mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
130m
Dial Color
Cream
Jewels
18j
Frequency
21,600 bph
Power Reserve
48 hours
Year
1978

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