Seiko Cal. 4578 - 898

Seiko 4578-898

The Seiko 4578-898 represents an important milestone in Seiko's 1966 lineup. Powered by the 4578 caliber with 22j jewels beating at 36,000 bph, it delivers a 49 hours power reserve. [seikata-wm-363d94164185]

Also known as: Sumo, Baby Tuna

Specifications

Movement
Quartz
Case Material
Gold-Plated
Case Width
44mm
Case Thickness
9.0mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Fixed
Water Resistance
180m
Dial Color
Silver
Jewels
22j
Frequency
36,000 bph
Power Reserve
49 hours
Year
1966

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seikata-wm-363d94164185