Seiko Cal. 4577 - 541

Seiko 4577-541

The Seiko 4577-541 represents an important milestone in Seiko's 1980 lineup. Powered by the 4577 caliber with 18j jewels beating at 36,000 bph, it delivers a 54 hours power reserve. [seikata-wm-b7332f9bc265]

Also known as: Sumo, Silverwave

Specifications

Movement
Quartz
Case Material
Titanium
Case Width
44mm
Case Thickness
14.0mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
50m
Dial Color
Black
Jewels
18j
Frequency
36,000 bph
Power Reserve
54 hours
Year
1980

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