Seiko Cal. 4528 - 630

The 4528-630 is a sought-after Hand-Winding piece from Seiko's golden era. With its 21mm lug width and 10.7mm profile, it sits comfortably on most wrists. [seikata-wm-cd5d6532b2c0]

Also known as: Rally, Navigator

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

37mm

Case Thickness

10.7mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Burgundy

Jewels

21j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1971

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