Seiko Cal. 4550 - 152

The Seiko 4550-152 represents an important milestone in Seiko's 1991 lineup. Powered by the 4550 caliber with 18j jewels beating at 28,800 bph, it delivers a 50 hours power reserve. [seikata-wm-d4ff06290d09]

Also known as: Crown, Emperor

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

39mm

Case Thickness

8.9mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

140m

Dial Color

Champagne

Jewels

18j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1991

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