Seiko Cal. 4413 - 526

Seiko 4413-526

The 4413-526 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4413 caliber with 28j jewels beating at 36,000 bph, it delivers a 62 hours power reserve. [seikata-wm-76b9544eb12a]

Also known as: Sumo, Sportsmatic

Specifications

Movement
Spring Drive
Case Material
Stainless Steel
Case Width
45mm
Case Thickness
9.9mm
Lug Width
18mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
70m
Dial Color
Black
Jewels
28j
Frequency
36,000 bph
Power Reserve
62 hours
Year
1965

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seikata-wm-76b9544eb12a