Seiko Cal. 3820 - 705

This Automatic model from 1984 features a 42mm Gold-Plated case. Powered by the 3820 caliber with 20j jewels beating at 36,000 bph, it delivers a 49 hours power reserve. [seikata-wm-f05ba52af4a4]

Also known as: World Timer, Crown

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

14.3mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Black

Jewels

20j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1984

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