Seiko Cal. 5227 - 657

Seiko 5227-657

The 5227-657 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 5227 caliber with 30j jewels beating at 21,600 bph, it delivers a 69 hours power reserve. [seikata-wm-f397eefd048b]

Also known as: Turtle, Silverwave

Specifications

Movement
Spring Drive
Case Material
PVD Black
Case Width
41mm
Case Thickness
8.3mm
Lug Width
22mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
180m
Dial Color
Silver
Jewels
30j
Frequency
21,600 bph
Power Reserve
69 hours
Year
1969

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