Seiko Cal. 3837 - 959

Seiko 3837-959

The 3837-959 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 3837 caliber with 36j jewels beating at 21,600 bph, it delivers a 44 hours power reserve. [seikata-wm-776757ce263e]

Also known as: UFO, Emperor

Specifications

Movement
Spring Drive
Case Material
PVD Black
Case Width
37mm
Case Thickness
14.1mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
60m
Dial Color
Green
Jewels
36j
Frequency
21,600 bph
Power Reserve
44 hours
Year
1984

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seikata-wm-776757ce263e