Seiko Cal. 4577 - 305

Seiko 4577-305

The 4577-305 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 4577 caliber with 27j jewels beating at 28,800 bph, it delivers a 47 hours power reserve. [seikata-wm-fc1f5d726ad0]

Also known as: Helmet, Crown

Specifications

Movement
Kinetic
Case Material
PVD Black
Case Width
45mm
Case Thickness
11.8mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
70m
Dial Color
Champagne
Jewels
27j
Frequency
28,800 bph
Power Reserve
47 hours
Year
1997

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