Seiko Cal. 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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