Seiko Cal. 6140 - 604

Seiko 6140-604

The 6140-604 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6140 caliber with 20j jewels beating at 21,600 bph, it delivers a 41 hours power reserve. [seikata-wm-ce5c8e6c16ba]

Also known as: Golden Tuna

Specifications

Movement
Automatic
Case Material
Titanium
Case Width
37mm
Case Thickness
15.5mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
50m
Dial Color
Black
Jewels
20j
Frequency
21,600 bph
Power Reserve
41 hours
Year
1966

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