Seiko Cal. 4554 - 557

Seiko 4554-557

The Seiko 4554-557 represents an important milestone in Seiko's 1975 lineup. Powered by the 4554 caliber with 24j jewels beating at 28,800 bph, it delivers a 41 hours power reserve. [seikata-wm-cf07aa623d95]

Also known as: Rally, Sportsmatic

Specifications

Movement
Kinetic
Case Material
Hardlex-Coated Steel
Case Width
42mm
Case Thickness
10.3mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
180m
Dial Color
Green
Jewels
24j
Frequency
28,800 bph
Power Reserve
41 hours
Year
1975

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