Seiko Cal. 0740 - 678

Seiko 0740-678

The 0740-678 is a sought-after Solar piece from Seiko's golden era. It features a Blue Sunburst dial protected by a Sapphire crystal and offers 30m of water resistance. [seikata-wm-24b44e8a1dfd]

Also known as: Bullhead, Silverwave

Specifications

Movement
Solar
Case Material
Stainless Steel
Case Width
37mm
Case Thickness
15.1mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
30m
Dial Color
Blue Sunburst
Jewels
28j
Frequency
21,600 bph
Power Reserve
71 hours
Year
1974

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