Seiko Cal. 4538 - 586

Seiko 4538-586

The Seiko 4538-586 represents an important milestone in Seiko's 1975 lineup. Powered by the 4538 caliber with 27j jewels beating at 28,800 bph, it delivers a 44 hours power reserve. [seikata-wm-2c966ca6cc7f]

Also known as: Helmet, Sea Horse

Specifications

Movement
Solar
Case Material
Titanium
Case Width
46mm
Case Thickness
15.7mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Inner Rotating
Water Resistance
60m
Dial Color
Navy
Jewels
27j
Frequency
28,800 bph
Power Reserve
44 hours
Year
1975

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