Seiko Cal. 4578 - 225

Seiko 4578-225

The Seiko 4578-225 represents an important milestone in Seiko's 1987 lineup. Powered by the 4578 caliber with 35j jewels beating at 21,600 bph, it delivers a 51 hours power reserve. [seikata-wm-3760bdd27fce]

Also known as: Sumo, Sportsmatic

Specifications

Movement
Solar
Case Material
Two-Tone
Case Width
36mm
Case Thickness
15.3mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
110m
Dial Color
Navy
Jewels
35j
Frequency
21,600 bph
Power Reserve
51 hours
Year
1987

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