Seiko Cal. 6631 - 828

The 6631-828 is a sought-after Hand-Winding piece from Seiko's golden era. The Fixed bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-f7bf6139ef03]

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

13.0mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

130m

Dial Color

Burgundy

Jewels

27j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1996

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