Seiko Cal. 4489 - 677

The 4489-677 is a sought-after Spring Drive piece from Seiko's golden era. It features a Black dial protected by a Acrylic crystal and offers 50m of water resistance. [seikata-wm-ddb011bc1cf3]

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

37mm

Case Thickness

12.5mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

50m

Dial Color

Black

Jewels

36j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1969

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