Seiko Cal. 7140 - 439

Seiko 7140-439

The 7140-439 is a sought-after Quartz piece from Seiko's golden era. Powered by the 7140 caliber with 36j jewels beating at 28,800 bph, it delivers a 52 hours power reserve. [seikata-wm-6c391a078cbd]

Also known as: Helmet, Sea Horse

Specifications

Movement
Quartz
Case Material
Titanium
Case Width
44mm
Case Thickness
14.0mm
Lug Width
21mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
60m
Dial Color
Blue Sunburst
Jewels
36j
Frequency
28,800 bph
Power Reserve
52 hours
Year
1983

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seikata-wm-6c391a078cbd