Seiko Cal. 4577 - 258

Seiko 4577-258

The Seiko 4577-258 represents an important milestone in Seiko's 1965 lineup. Powered by the 4577 caliber with 27j jewels beating at 21,600 bph, it delivers a 36 hours power reserve. [seikata-wm-3ba1a851f0e2]

Also known as: Turtle, Sumo

Specifications

Movement
Kinetic
Case Material
Gold-Plated
Case Width
34mm
Case Thickness
13.9mm
Lug Width
21mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
160m
Dial Color
Black
Jewels
27j
Frequency
21,600 bph
Power Reserve
36 hours
Year
1965

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