Seiko Cal. 3831 - 429

Released in 1966, the Cal. 3831 with design code 429 was part of Seiko's domestic market collection. With its 21mm lug width and 10.2mm profile, it sits comfortably on most wrists. [seikata-wm-5fae32eccd9f]

Also known as: UFO

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

38mm

Case Thickness

10.2mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Black

Jewels

30j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1966

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