Seiko Cal. 3820 - 788

The 3820-788 is a sought-after Automatic piece from Seiko's golden era. Powered by the 3820 caliber with 21j jewels beating at 36,000 bph, it delivers a 58 hours power reserve. [seikata-wm-7630474f7d09]

Also known as: Rally

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

34mm

Case Thickness

9.5mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

40m

Dial Color

Cream

Jewels

21j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1985

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