Seiko Cal. 6398 - 423

Seiko 6398-423

Released in 1997, the Cal. 6398 with design code 423 was part of Seiko's domestic market collection. Powered by the 6398 caliber with 21j jewels beating at 21,600 bph, it delivers a 51 hours power reserve. [seikata-wm-aa3643641dcf]

Also known as: Sumo, Sportsmatic

Specifications

Movement
Quartz
Case Material
Stainless Steel
Case Width
41mm
Case Thickness
13.7mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
100m
Dial Color
Cream
Jewels
21j
Frequency
21,600 bph
Power Reserve
51 hours
Year
1997

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