Seiko Cal. 4498 - 633

Seiko 4498-633

The 4498-633 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 4498 caliber with 31j jewels beating at 28,800 bph, it delivers a 36 hours power reserve. [seikata-wm-882d759fcf90]

Also known as: Bullhead

Specifications

Movement
Kinetic
Case Material
Gold-Plated
Case Width
46mm
Case Thickness
10.9mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
140m
Dial Color
Green
Jewels
31j
Frequency
28,800 bph
Power Reserve
36 hours
Year
1983

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seikata-wm-882d759fcf90