Seiko Cal. 3817 - 750

Seiko 3817-750

The 3817-750 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 3817 caliber with 24j jewels beating at 21,600 bph, it delivers a 62 hours power reserve. [seikata-wm-445ab542a20c]

Also known as: Sumo

Specifications

Movement
Kinetic
Case Material
Titanium
Case Width
44mm
Case Thickness
9.0mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
90m
Dial Color
Navy
Jewels
24j
Frequency
21,600 bph
Power Reserve
62 hours
Year
1978

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seikata-wm-445ab542a20c