Seiko Cal. 4430 - 660

The 4430-660 is a sought-after Spring Drive piece from Seiko's golden era. With its 21mm lug width and 13.6mm profile, it sits comfortably on most wrists. [seikata-wm-f8b7ef2333fd]

Also known as: Silverwave, Crown

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

39mm

Case Thickness

13.6mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

160m

Dial Color

White

Jewels

29j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1980

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