Seiko Cal. 3830 - 645

The Seiko 3830-645 represents an important milestone in Seiko's 1966 lineup. With its 21mm lug width and 12.6mm profile, it sits comfortably on most wrists. [seikata-wm-4b5617437a54]

Also known as: UFO, Sea Horse

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

12.6mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Cream

Jewels

23j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1966

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