Seiko Cal. 4440 - 564

This Automatic model from 1984 features a 34mm Titanium case. Powered by the 4440 caliber with 25j jewels beating at 28,800 bph, it delivers a 50 hours power reserve. [seikata-wm-01290a66a965]

Also known as: World Timer

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

34mm

Case Thickness

13.6mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Silver

Jewels

25j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1984

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