Seiko Cal. 7040 - 978

Seiko 7040-978

The 7040-978 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Green dial protected by a Hardlex crystal and offers 160m of water resistance. [seikata-wm-5cfd6b29ff8e]

Also known as: Baby Tuna

Specifications

Movement
Hand-Winding
Case Material
Titanium
Case Width
37mm
Case Thickness
13.8mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
160m
Dial Color
Green
Jewels
31j
Frequency
21,600 bph
Power Reserve
52 hours
Year
1983

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