Seiko Cal. 6631 - 163

The 6631-163 is a sought-after Solar piece from Seiko's golden era. It features a Champagne dial protected by a Sapphire crystal and offers 130m of water resistance. [seikata-wm-13a77e7b796c]

Also known as: Rally

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

43mm

Case Thickness

10.6mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Champagne

Jewels

22j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1990

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