Seiko Cal. 3820 - 732

The 3820-732 is a sought-after Solar piece from Seiko's golden era. Powered by the 3820 caliber with 29j jewels beating at 28,800 bph, it delivers a 61 hours power reserve. [seikata-wm-0de0b6311569]

Also known as: Bullhead, Sea Horse

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

12.8mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Burgundy

Jewels

29j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1976

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