Seiko Cal. 4551 - 423

Seiko 4551-423

The Seiko 4551-423 represents an important milestone in Seiko's 1967 lineup. Powered by the 4551 caliber with 27j jewels beating at 36,000 bph, it delivers a 60 hours power reserve. [seikata-wm-01b0c504ef14]

Also known as: Sumo, Tuna

Specifications

Movement
Quartz
Case Material
Gold-Plated
Case Width
45mm
Case Thickness
14.2mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
30m
Dial Color
Cream
Jewels
27j
Frequency
36,000 bph
Power Reserve
60 hours
Year
1967

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