Seiko Cal. 6240 - 739

Seiko 6240-739

The 6240-739 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6240 caliber with 22j jewels beating at 28,800 bph, it delivers a 53 hours power reserve. [seikata-wm-dcf42cdfd849]

Also known as: UFO, Sea Horse

Specifications

Movement
Automatic
Case Material
Stainless Steel
Case Width
35mm
Case Thickness
15.5mm
Lug Width
19mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
80m
Dial Color
Burgundy
Jewels
22j
Frequency
28,800 bph
Power Reserve
53 hours
Year
1969

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