Seiko Cal. 4578 - 810

Seiko 4578-810

This Spring Drive model from 1998 features a 40mm PVD Black case. Powered by the 4578 caliber with 24j jewels beating at 36,000 bph, it delivers a 45 hours power reserve. [seikata-wm-072151633643]

Also known as: Sumo

Specifications

Movement
Spring Drive
Case Material
PVD Black
Case Width
40mm
Case Thickness
15.9mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
30m
Dial Color
Navy
Jewels
24j
Frequency
36,000 bph
Power Reserve
45 hours
Year
1998

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seikata-wm-072151633643