Seiko Cal. 4489 - 981

The 4489-981 is a sought-after Hand-Winding piece from Seiko's golden era. The Inner Rotating bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-d058add4da63]

Also known as: Bullhead, Crown

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

37mm

Case Thickness

12.4mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Silver

Jewels

23j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1986

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