Seiko Cal. 4423 - 525

The Seiko 4423-525 represents an important milestone in Seiko's 1990 lineup. Powered by the 4423 caliber with 34j jewels beating at 36,000 bph, it delivers a 66 hours power reserve. [seikata-wm-08dc4f284e68]

Also known as: Helmet

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

40mm

Case Thickness

13.3mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

120m

Dial Color

Champagne

Jewels

34j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1990

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