Seiko Cal. 4490 - 757

Seiko 4490-757

The 4490-757 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 4490 caliber with 30j jewels beating at 21,600 bph, it delivers a 57 hours power reserve. [seikata-wm-309db6d0d0cc]

Also known as: Sea Horse

Specifications

Movement
Hand-Winding
Case Material
Two-Tone
Case Width
44mm
Case Thickness
9.9mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
170m
Dial Color
Silver
Jewels
30j
Frequency
21,600 bph
Power Reserve
57 hours
Year
1993

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seikata-wm-309db6d0d0cc