Seiko Cal. 4488 - 307

The 4488-307 is a sought-after Spring Drive piece from Seiko's golden era. With its 21mm lug width and 10.6mm profile, it sits comfortably on most wrists. [seikata-wm-22d23759324c]

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

10.6mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Navy

Jewels

20j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1968

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