Seiko Cal. 3878 - 841

The 3878-841 is a sought-after Hand-Winding piece from Seiko's golden era. The Rotating bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-66859619b700]

Also known as: Emperor

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

43mm

Case Thickness

15.5mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

190m

Dial Color

Navy

Jewels

24j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1965

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