Seiko Cal. 0739 - 521

Seiko 0739-521

The 0739-521 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 0739 caliber with 20j jewels beating at 21,600 bph, it delivers a 55 hours power reserve. [seikata-wm-e16f27e6db17]

Specifications

Movement
Kinetic
Case Material
Hardlex-Coated Steel
Case Width
34mm
Case Thickness
11.5mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
180m
Dial Color
Champagne
Jewels
20j
Frequency
21,600 bph
Power Reserve
55 hours
Year
1976

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