Seiko Cal. 5621 - 433

Seiko 5621-433

The 5621-433 is a sought-after Quartz piece from Seiko's golden era. Powered by the 5621 caliber with 28j jewels beating at 21,600 bph, it delivers a 66 hours power reserve. [seikata-wm-3b05f3328d2b]

Also known as: Silverwave, Navigator

Specifications

Movement
Quartz
Case Material
Two-Tone
Case Width
36mm
Case Thickness
9.5mm
Lug Width
18mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
150m
Dial Color
Blue Sunburst
Jewels
28j
Frequency
21,600 bph
Power Reserve
66 hours
Year
1987

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