Seiko Cal. 4421 - 763

Seiko 4421-763

The 4421-763 is a sought-after Quartz piece from Seiko's golden era. Powered by the 4421 caliber with 26j jewels beating at 21,600 bph, it delivers a 49 hours power reserve. [seikata-wm-490ca9584e8a]

Also known as: Samurai

Specifications

Movement
Quartz
Case Material
Two-Tone
Case Width
44mm
Case Thickness
11.5mm
Lug Width
22mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
170m
Dial Color
Blue Sunburst
Jewels
26j
Frequency
21,600 bph
Power Reserve
49 hours
Year
1979

Related Models

seikata-wm-490ca9584e8a