Seiko Cal. 3889 - 371

Seiko 3889-371

The 3889-371 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 3889 caliber with 24j jewels beating at 28,800 bph, it delivers a 39 hours power reserve. [seikata-wm-91d28bf2d9ab]

Also known as: Crown

Specifications

Movement
Spring Drive
Case Material
PVD Black
Case Width
36mm
Case Thickness
9.9mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
50m
Dial Color
Green
Jewels
24j
Frequency
28,800 bph
Power Reserve
39 hours
Year
1991

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