Seiko Cal. 3875 - 990

Seiko 3875-990

The 3875-990 is a sought-after Quartz piece from Seiko's golden era. Powered by the 3875 caliber with 21j jewels beating at 21,600 bph, it delivers a 67 hours power reserve. [seikata-wm-0ec083ed6e9d]

Also known as: Sportsmatic, Navigator

Specifications

Movement
Quartz
Case Material
Two-Tone
Case Width
37mm
Case Thickness
9.5mm
Lug Width
22mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
100m
Dial Color
Navy
Jewels
21j
Frequency
21,600 bph
Power Reserve
67 hours
Year
1967

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