Seiko Cal. 4427 - 255

Seiko 4427-255

The 4427-255 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4427 caliber with 20j jewels beating at 36,000 bph, it delivers a 59 hours power reserve. [seikata-wm-98f0407cf19a]

Also known as: Panda, Baby Tuna

Specifications

Movement
Spring Drive
Case Material
Two-Tone
Case Width
39mm
Case Thickness
9.8mm
Lug Width
20mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
40m
Dial Color
Navy
Jewels
20j
Frequency
36,000 bph
Power Reserve
59 hours
Year
1997

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