Seiko Cal. 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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