Seiko Cal. 3890 - 375

This Hand-Winding model from 1970 features a 41mm Hardlex-Coated Steel case. Powered by the 3890 caliber with 31j jewels beating at 21,600 bph, it delivers a 51 hours power reserve. [seikata-wm-6f9faa693b34]

Also known as: Crown

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

9.6mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Champagne

Jewels

31j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1970

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