Seiko Cal. 4552 - 423

Seiko 4552-423

The Seiko 4552-423 represents an important milestone in Seiko's 1975 lineup. Powered by the 4552 caliber with 23j jewels beating at 36,000 bph, it delivers a 54 hours power reserve. [seikata-wm-016988798c85]

Also known as: Bullhead, Golden Tuna

Specifications

Movement
Kinetic
Case Material
PVD Black
Case Width
39mm
Case Thickness
13.8mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
40m
Dial Color
Black
Jewels
23j
Frequency
36,000 bph
Power Reserve
54 hours
Year
1975

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