Seiko Cal. 4416 - 428

Seiko 4416-428

The 4416-428 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4416 caliber with 28j jewels beating at 21,600 bph, it delivers a 51 hours power reserve. [seikata-wm-12b80fda18e1]

Also known as: Turtle, Crown

Specifications

Movement
Spring Drive
Case Material
Stainless Steel
Case Width
37mm
Case Thickness
9.9mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
180m
Dial Color
Green
Jewels
28j
Frequency
21,600 bph
Power Reserve
51 hours
Year
1969

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