Seiko Cal. 3872 - 918

Seiko 3872-918

The 3872-918 is a sought-after Solar piece from Seiko's golden era. Powered by the 3872 caliber with 26j jewels beating at 21,600 bph, it delivers a 44 hours power reserve. [seikata-wm-4030d9438d91]

Also known as: Sumo, World Timer

Specifications

Movement
Solar
Case Material
PVD Black
Case Width
43mm
Case Thickness
14.9mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Inner Rotating
Water Resistance
70m
Dial Color
Champagne
Jewels
26j
Frequency
21,600 bph
Power Reserve
44 hours
Year
1968

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seikata-wm-4030d9438d91