Seiko Cal. 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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