Seiko Cal. 4497 - 540

Seiko 4497-540

The 4497-540 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 4497 caliber with 25j jewels beating at 28,800 bph, it delivers a 47 hours power reserve. [seikata-wm-5bae6aebe5c4]

Also known as: Helmet, Emperor

Specifications

Movement
Kinetic
Case Material
PVD Black
Case Width
42mm
Case Thickness
9.8mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
120m
Dial Color
White
Jewels
25j
Frequency
28,800 bph
Power Reserve
47 hours
Year
1995

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