Seiko Cal. 3820 - 611

The 3820-611 is a sought-after Automatic piece from Seiko's golden era. Powered by the 3820 caliber with 36j jewels beating at 36,000 bph, it delivers a 61 hours power reserve. [seikata-wm-fdc00d53637a]

Also known as: Sumo

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

12.3mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

70m

Dial Color

Cream

Jewels

36j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1967

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