Seiko Cal. 5228 - 507

Seiko 5228-507

The 5228-507 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 5228 caliber with 27j jewels beating at 36,000 bph, it delivers a 70 hours power reserve. [seikata-wm-9211522f5875]

Also known as: Helmet, Sportsmatic

Specifications

Movement
Hand-Winding
Case Material
PVD Black
Case Width
39mm
Case Thickness
15.6mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
40m
Dial Color
Burgundy
Jewels
27j
Frequency
36,000 bph
Power Reserve
70 hours
Year
1976

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seikata-wm-9211522f5875