Seiko Cal. 3873 - 636

The 3873-636 is a sought-after Automatic piece from Seiko's golden era. Powered by the 3873 caliber with 23j jewels beating at 36,000 bph, it delivers a 69 hours power reserve. [seikata-wm-304af379a8a5]

Also known as: Shogun

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

8.8mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

White

Jewels

23j

Frequency

36,000 bph

Power Reserve

69 hours

Year

1997

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