Seiko Cal. 5649 - 904

Seiko 5649-904

The 5649-904 is a sought-after Automatic piece from Seiko's golden era. Powered by the 5649 caliber with 18j jewels beating at 21,600 bph, it delivers a 54 hours power reserve. [seikata-wm-4803b1e5ac72]

Also known as: Sumo

Specifications

Movement
Automatic
Case Material
Two-Tone
Case Width
34mm
Case Thickness
14.1mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Inner Rotating
Water Resistance
40m
Dial Color
Green
Jewels
18j
Frequency
21,600 bph
Power Reserve
54 hours
Year
1977

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