Seiko Cal. 3875 - 421

The Seiko 3875-421 represents an important milestone in Seiko's 1986 lineup. Powered by the 3875 caliber with 22j jewels beating at 36,000 bph, it delivers a 49 hours power reserve. [seikata-wm-2db6b7faa12c]

Also known as: Helmet, Rally

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

39mm

Case Thickness

11.4mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Cream

Jewels

22j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1986

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