Seiko Cal. 4428 - 601

The Seiko 4428-601 represents an important milestone in Seiko's 1992 lineup. Powered by the 4428 caliber with 23j jewels beating at 28,800 bph, it delivers a 50 hours power reserve. [seikata-wm-c635fa7565d7]

Also known as: UFO, Rally

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

10.2mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Cream

Jewels

23j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1992

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