Seiko Cal. 6630 - 821

This Hand-Winding model from 1976 features a 46mm Two-Tone case. The Rotating bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-c5fec8bb2de7]

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

46mm

Case Thickness

11.9mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

70m

Dial Color

Black

Jewels

17j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1976

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