Seiko Cal. 3873 - 623

The 3873-623 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 3873 caliber with 18j jewels beating at 36,000 bph, it delivers a 64 hours power reserve. [seikata-wm-b6a58306873c]

Also known as: Monster, Shogun

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

41mm

Case Thickness

10.2mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Black

Jewels

18j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1966

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