Seiko Cal. 4489 - 630

The 4489-630 is a sought-after Quartz piece from Seiko's golden era. Powered by the 4489 caliber with 17j jewels beating at 28,800 bph, it delivers a 40 hours power reserve. [seikata-wm-20a1e711bfc2]

Also known as: Tuna

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

36mm

Case Thickness

10.7mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Cream

Jewels

17j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1969

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