Seiko Cal. 4450 - 623

The Seiko 4450-623 represents an important milestone in Seiko's 1981 lineup. Powered by the 4450 caliber with 30j jewels beating at 36,000 bph, it delivers a 44 hours power reserve. [seikata-wm-1ba031dbda5d]

Also known as: Sea Horse, Emperor

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

9.8mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

30m

Dial Color

White

Jewels

30j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1981

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