Seiko Cal. 4439 - 492

The Seiko 4439-492 represents an important milestone in Seiko's 1983 lineup. Powered by the 4439 caliber with 25j jewels beating at 28,800 bph, it delivers a 51 hours power reserve. [seikata-wm-2c008ced70a5]

Also known as: Bellmatic

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

8.6mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

White

Jewels

25j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1983

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