Seiko Cal. 3880 - 935

The Seiko 3880-935 represents an important milestone in Seiko's 1998 lineup. Powered by the 3880 caliber with 20j jewels beating at 21,600 bph, it delivers a 53 hours power reserve. [seikata-wm-4e5944ae1942]

Also known as: Helmet

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

41mm

Case Thickness

8.8mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Silver

Jewels

20j

Frequency

21,600 bph

Power Reserve

53 hours

Year

1998

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