Seiko Cal. 4423 - 315

The Seiko 4423-315 represents an important milestone in Seiko's 1982 lineup. Powered by the 4423 caliber with 30j jewels beating at 36,000 bph, it delivers a 54 hours power reserve. [seikata-wm-889af296541b]

Also known as: UFO, Emperor

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

14.7mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

190m

Dial Color

Silver

Jewels

30j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1982

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