Seiko Cal. 6631 - 117

The 6631-117 is a sought-after Hand-Winding piece from Seiko's golden era. With its 18mm lug width and 12.5mm profile, it sits comfortably on most wrists. [seikata-wm-eca69be8ecf5]

Also known as: Turtle

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

12.5mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Champagne

Jewels

29j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1977

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