Seiko Cal. 3871 - 390

Seiko 3871-390

The 3871-390 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 3871 caliber with 28j jewels beating at 36,000 bph, it delivers a 38 hours power reserve. [seikata-wm-3af25a503d19]

Also known as: Bellmatic

Specifications

Movement
Kinetic
Case Material
Stainless Steel
Case Width
38mm
Case Thickness
14.7mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
120m
Dial Color
White
Jewels
28j
Frequency
36,000 bph
Power Reserve
38 hours
Year
1987

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