Seiko Cal. 3830 - 431

The Seiko 3830-431 represents an important milestone in Seiko's 1987 lineup. Powered by the 3830 caliber with 32j jewels beating at 36,000 bph, it delivers a 68 hours power reserve. [seikata-wm-786c6c822a03]

Also known as: Helmet, Sportsmatic

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

37mm

Case Thickness

13.6mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

60m

Dial Color

Navy

Jewels

32j

Frequency

36,000 bph

Power Reserve

68 hours

Year

1987

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