Seiko Cal. 3820 - 638

The 3820-638 is a sought-after Automatic piece from Seiko's golden era. Powered by the 3820 caliber with 32j jewels beating at 21,600 bph, it delivers a 66 hours power reserve. [seikata-wm-edf10408c6ab]

Also known as: Goldfeather

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

35mm

Case Thickness

11.7mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

190m

Dial Color

Navy

Jewels

32j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1993

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