Seiko Cal. 4427 - 856

Seiko 4427-856

The 4427-856 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 4427 caliber with 18j jewels beating at 36,000 bph, it delivers a 38 hours power reserve. [seikata-wm-68b84209af03]

Also known as: Helmet, Bellmatic

Specifications

Movement
Kinetic
Case Material
Two-Tone
Case Width
38mm
Case Thickness
11.8mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Inner Rotating
Water Resistance
170m
Dial Color
Cream
Jewels
18j
Frequency
36,000 bph
Power Reserve
38 hours
Year
1997

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