Seiko Cal. 6140 - 418

Seiko 6140-418

Released in 1970, the Cal. 6140 with design code 418 was part of Seiko's domestic market collection. Powered by the 6140 caliber with 23j jewels beating at 28,800 bph, it delivers a 59 hours power reserve. [seikata-wm-bd1771f23e3e]

Also known as: Tuna, UFO

Specifications

Movement
Quartz
Case Material
Hardlex-Coated Steel
Case Width
42mm
Case Thickness
9.9mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
110m
Dial Color
Navy
Jewels
23j
Frequency
28,800 bph
Power Reserve
59 hours
Year
1970

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