Seiko Cal. 4598 - 198

Seiko 4598-198

The 4598-198 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 4598 caliber with 36j jewels beating at 28,800 bph, it delivers a 59 hours power reserve. [seikata-wm-c88bb69e0d30]

Also known as: Helmet, Sportsmatic

Specifications

Movement
Kinetic
Case Material
Hardlex-Coated Steel
Case Width
41mm
Case Thickness
14.4mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
30m
Dial Color
Black
Jewels
36j
Frequency
28,800 bph
Power Reserve
59 hours
Year
1980

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