Seiko Cal. 6644 - 690

Seiko 6644-690

This Kinetic model from 1998 features a 38mm Hardlex-Coated Steel case. Powered by the 6644 caliber with 18j jewels beating at 21,600 bph, it delivers a 56 hours power reserve. [seikata-wm-fb874dac9efe]

Also known as: Silverwave

Specifications

Movement
Kinetic
Case Material
Hardlex-Coated Steel
Case Width
38mm
Case Thickness
15.3mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Fixed
Water Resistance
90m
Dial Color
Green
Jewels
18j
Frequency
21,600 bph
Power Reserve
56 hours
Year
1998

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