Seiko Cal. 3877 - 510

This Spring Drive model from 1997 features a 41mm Hardlex-Coated Steel case. Powered by the 3877 caliber with 30j jewels beating at 28,800 bph, it delivers a 56 hours power reserve. [seikata-wm-b90a61f70682]

Also known as: UFO

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

8.1mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

30m

Dial Color

Cream

Jewels

30j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1997

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