Seiko Cal. 4447 - 873

The 4447-873 is a sought-after Automatic piece from Seiko's golden era. Powered by the 4447 caliber with 20j jewels beating at 36,000 bph, it delivers a 72 hours power reserve. [seikata-wm-c2fc39ea1f8e]

Also known as: Tuna, Emperor

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

14.3mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Silver

Jewels

20j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1965

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