Seiko Cal. 4510 - 428

Seiko 4510-428

The 4510-428 is a sought-after Automatic piece from Seiko's golden era. Powered by the 4510 caliber with 29j jewels beating at 28,800 bph, it delivers a 63 hours power reserve. [seikata-wm-62d46e0aea0f]

Also known as: Bullhead, Baby Tuna

Specifications

Movement
Automatic
Case Material
PVD Black
Case Width
39mm
Case Thickness
10.0mm
Lug Width
20mm
Crystal
Mineral
Bezel
Rotating
Water Resistance
60m
Dial Color
Navy
Jewels
29j
Frequency
28,800 bph
Power Reserve
63 hours
Year
1976

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