Seiko Cal. 4587 - 520

Seiko 4587-520

The Seiko 4587-520 represents an important milestone in Seiko's 1998 lineup. Powered by the 4587 caliber with 31j jewels beating at 21,600 bph, it delivers a 46 hours power reserve. [seikata-wm-a78ad2e61df7]

Also known as: Golden Tuna

Specifications

Movement
Spring Drive
Case Material
PVD Black
Case Width
43mm
Case Thickness
13.6mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
80m
Dial Color
Silver
Jewels
31j
Frequency
21,600 bph
Power Reserve
46 hours
Year
1998

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