Seiko Cal. 3863 - 540

This Quartz model from 1987 features a 37mm PVD Black case. Powered by the 3863 caliber with 29j jewels beating at 21,600 bph, it delivers a 72 hours power reserve. [seikata-wm-024cc82b38d1]

Also known as: Bullhead, Flighty

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

37mm

Case Thickness

13.7mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Green

Jewels

29j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1987

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