Seiko Cal. 7040 - 987

Seiko 7040-987

Released in 1979, the Cal. 7040 with design code 987 was part of Seiko's domestic market collection. Powered by the 7040 caliber with 23j jewels beating at 28,800 bph, it delivers a 60 hours power reserve. [seikata-wm-f9662bc61526]

Also known as: Bullhead, Baby Tuna

Specifications

Movement
Spring Drive
Case Material
Stainless Steel
Case Width
41mm
Case Thickness
9.1mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
200m
Dial Color
Black
Jewels
23j
Frequency
28,800 bph
Power Reserve
60 hours
Year
1979

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seikata-wm-f9662bc61526