Seiko Cal. 3820 - 237

The 3820-237 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 59 hours power reserve. [seikata-wm-591be12379ed]

Also known as: Pogue, Helmet

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

8.6mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

30m

Dial Color

Cream

Jewels

36j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1981

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