Seiko Cal. 3847 - 491

This Hand-Winding model from 1975 features a 40mm PVD Black case. Powered by the 3847 caliber with 20j jewels beating at 28,800 bph, it delivers a 53 hours power reserve. [seikata-wm-ba4b1d8d92e3]

Also known as: Emperor

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

40mm

Case Thickness

15.0mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Burgundy

Jewels

20j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1975

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