Seiko Cal. 7040 - 399

Seiko 7040-399

The 7040-399 is a sought-after Solar piece from Seiko's golden era. It features a Blue Sunburst dial protected by a Acrylic crystal and offers 90m of water resistance. [seikata-wm-d79ad3eafddc]

Also known as: Sumo, Golden Tuna

Specifications

Movement
Solar
Case Material
Hardlex-Coated Steel
Case Width
44mm
Case Thickness
15.6mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Fixed
Water Resistance
90m
Dial Color
Blue Sunburst
Jewels
22j
Frequency
36,000 bph
Power Reserve
62 hours
Year
1973

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