Seiko Cal. 3887 - 493

This Hand-Winding model from 1970 features a 43mm Gold-Plated case. Powered by the 3887 caliber with 33j jewels beating at 28,800 bph, it delivers a 61 hours power reserve. [seikata-wm-2a98d0dbe447]

Also known as: Sumo, Shogun

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

15.2mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

150m

Dial Color

Navy

Jewels

33j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1970

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