Seiko Cal. 4488 - 609

The 4488-609 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Blue Sunburst dial protected by a Acrylic crystal and offers 30m of water resistance. [seikata-wm-b575d5c3eacd]

Also known as: Sumo

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

44mm

Case Thickness

13.8mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

30m

Dial Color

Blue Sunburst

Jewels

36j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1971

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