Seiko Cal. 6673 - 578

Seiko 6673-578

The 6673-578 is a sought-after Solar piece from Seiko's golden era. Powered by the 6673 caliber with 25j jewels beating at 28,800 bph, it delivers a 52 hours power reserve. [seikata-wm-5a99dc01f622]

Also known as: Bullhead, Sea Horse

Specifications

Movement
Solar
Case Material
PVD Black
Case Width
35mm
Case Thickness
8.4mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
110m
Dial Color
White
Jewels
25j
Frequency
28,800 bph
Power Reserve
52 hours
Year
1974

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seikata-wm-5a99dc01f622