Seiko Cal. 4530 - 423

Seiko 4530-423

The Seiko 4530-423 represents an important milestone in Seiko's 1987 lineup. Powered by the 4530 caliber with 28j jewels beating at 36,000 bph, it delivers a 72 hours power reserve. [seikata-wm-bb0893224935]

Also known as: Sumo

Specifications

Movement
Kinetic
Case Material
Gold-Plated
Case Width
42mm
Case Thickness
12.9mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
200m
Dial Color
Navy
Jewels
28j
Frequency
36,000 bph
Power Reserve
72 hours
Year
1987

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