Seiko Cal. 3820 - 499

The 3820-499 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 3820 caliber with 18j jewels beating at 36,000 bph, it delivers a 53 hours power reserve. [seikata-wm-01e34fd70b6c]

Also known as: UFO, Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

35mm

Case Thickness

12.0mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

180m

Dial Color

Navy

Jewels

18j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1974

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