Seiko Cal. 3812 - 832

The 3812-832 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 3812 caliber with 18j jewels beating at 21,600 bph, it delivers a 48 hours power reserve. [seikata-wm-10f9a6622d1d]

Also known as: Sumo, World Timer

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

9.7mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

150m

Dial Color

Burgundy

Jewels

18j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1990

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