Seiko Cal. 3827 - 635

The 3827-635 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 3827 caliber with 29j jewels beating at 21,600 bph, it delivers a 38 hours power reserve. [seikata-wm-6a968ccf4992]

Also known as: Pogue, Bullhead

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

9.6mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

120m

Dial Color

White

Jewels

29j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1973

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