Seiko Cal. 3870 - 343

Seiko 3870-343

The 3870-343 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 3870 caliber with 32j jewels beating at 21,600 bph, it delivers a 70 hours power reserve. [seikata-wm-8e710fe948a0]

Also known as: Sportsmatic

Specifications

Movement
Kinetic
Case Material
Two-Tone
Case Width
45mm
Case Thickness
8.2mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
110m
Dial Color
Blue Sunburst
Jewels
32j
Frequency
21,600 bph
Power Reserve
70 hours
Year
1983

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seikata-wm-8e710fe948a0