Seiko Cal. 4428 - 311

This Automatic model from 1999 features a 45mm PVD Black case. Powered by the 4428 caliber with 31j jewels beating at 28,800 bph, it delivers a 67 hours power reserve. [seikata-wm-abf365191e57]

Also known as: UFO

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

45mm

Case Thickness

8.2mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Burgundy

Jewels

31j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1999

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