Seiko Cal. 4420 - 689

This Hand-Winding model from 1976 features a 43mm Two-Tone case. The Rotating bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-0bcdee7cc758]

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

43mm

Case Thickness

8.3mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

50m

Dial Color

Burgundy

Jewels

18j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1976

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