Seiko Cal. 6630 - 227

The Seiko 6630-227 represents an important milestone in Seiko's 1971 lineup. Powered by the 6630 caliber with 36j jewels beating at 21,600 bph, it delivers a 55 hours power reserve. [seikata-wm-aefe66ed52fc]

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

40mm

Case Thickness

10.5mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

160m

Dial Color

Champagne

Jewels

36j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1971

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