Seiko Cal. 4452 - 647

Seiko 4452-647

The 4452-647 is a sought-after Automatic piece from Seiko's golden era. Powered by the 4452 caliber with 22j jewels beating at 36,000 bph, it delivers a 71 hours power reserve. [seikata-wm-4a9e1b3cc2c5]

Also known as: Silverwave

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
45mm
Case Thickness
15.4mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
130m
Dial Color
Green
Jewels
22j
Frequency
36,000 bph
Power Reserve
71 hours
Year
1982

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