Seiko Cal. 4558 - 487

Seiko 4558-487

The 4558-487 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4558 caliber with 28j jewels beating at 36,000 bph, it delivers a 72 hours power reserve. [seikata-wm-fe6fb0a231c6]

Specifications

Movement
Spring Drive
Case Material
PVD Black
Case Width
34mm
Case Thickness
10.4mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
140m
Dial Color
Green
Jewels
28j
Frequency
36,000 bph
Power Reserve
72 hours
Year
1988

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